101 to 125 of 875 Network Security Jobs

where you will be making an impact on the financial lives of thousands of savers. We're regulated by the Financial Conduct Authority in the UK. As a Senior Security Engineer, you will play a key role in protecting our systems, networks, and data while ensuring compliance with industry leading security standards such as ISO 27001. Your contributions … will be essential in maintaining customer trust and safeguarding critical information assets. This role sits within thePlatform Engineering Teamand requires a strong technical background, hands-on experience with security tools, and a collaborative mindset to work effectively across teams. The role will involveplatform engineering activities, contributing to the design, implementation, and optimisation of scalable infrastructure. If you're motivated … by solving complex problems in a dynamic, fast-paced environment, this position is for you. What you will do: Develop and implement proactive security strategies, policies, and procedures to protect our systems, networks, and data assets. Lead regular security assessments, including vulnerability scans and penetration tests, identifying risks and driving remediation efforts. Monitor infrastructure for security incidents More ❯

underrepresentation of black women in tech. We are a non-profit organisation with the aim to grow and inspire the community of black female developers. We are the largest network of black female developers in the UK. Mission Our mission is to grow the community of black women in software development and technical roles, from entry level to executive … Cybersecurity Bootcamp, tailored for individuals looking to gain practical, job-ready skills in protecting digital assets and systems. The bootcamp aims to enhance participants' abilities in areas such as network security, ethical hacking, incident response, and security operations, enabling them to secure new or higher-value opportunities in the cybersecurity field. You will be responsible for delivering … engaging and interactive sessions, guiding learners through complex security concepts, and helping them build practical, defensive, and offensive security skills. The ideal candidate will be confident teaching a range of cybersecurity topics, adaptable to different learner needs, and passionate about supporting underrepresented individuals in building successful careers in cybersecurity. The majority of course content will be provided, but More ❯

underrepresentation of black women in tech. We are a non-profit organisation with the aim to grow and inspire the community of black female developers. We are the largest network of black female developers in the UK. Mission Our mission is to grow the community of black women in software development and technical roles, from entry level to executive … Cybersecurity Bootcamp, tailored for individuals looking to gain practical, job-ready skills in protecting digital assets and systems. The bootcamp aims to enhance participants' abilities in areas such as network security, ethical hacking, incident response, and security operations, enabling them to secure new or higher-value opportunities in the cybersecurity field. You will be responsible for delivering … engaging and interactive sessions, guiding learners through complex security concepts, and helping them build practical, defensive, and offensive security skills. The ideal candidate will be confident teaching a range of cybersecurity topics, adaptable to different learner needs, and passionate about supporting underrepresented individuals in building successful careers in cybersecurity. The majority of course content will be provided, but More ❯

underrepresentation of black women in tech. We are a non-profit organisation with the aim to grow and inspire the community of black female developers. We are the largest network of black female developers in the UK. Mission Our mission is to grow the community of black women in software development and technical roles, from entry level to executive … Cybersecurity Bootcamp, tailored for individuals looking to gain practical, job-ready skills in protecting digital assets and systems. The bootcamp aims to enhance participants' abilities in areas such as network security, ethical hacking, incident response, and security operations, enabling them to secure new or higher-value opportunities in the cybersecurity field. You will be responsible for delivering … engaging and interactive sessions, guiding learners through complex security concepts, and helping them build practical, defensive, and offensive security skills. The ideal candidate will be confident teaching a range of cybersecurity topics, adaptable to different learner needs, and passionate about supporting underrepresented individuals in building successful careers in cybersecurity. The majority of course content will be provided, but More ❯

About the role: We are seeking someone with exceptional technical deployment and troubleshooting skills covering a wide range of technologies. The ideal candidate will have a strong understanding of network security and associated technologies and be able to demonstrate a logical and methodical approach to design, implementation and troubleshooting. Here's what the role looks like: Candidates must … consultancy services. Provide expert level support to all clients and act as an internal point of escalation for all support related incidents where required. Troubleshooting and diagnosis of all network and security related incidents Mentoring other members of the team Participating in the on-call rota Here are the key skills and experience relevant to this role: Extensive … experience in a similar role or field based/consulting role CCNP, Routing, Switching & Security with Data Centre experience in Nexus Strong understanding of network security principles and associated technologies Experience of troubleshooting complex enterprise networks and associated technologies Knowledge of Wide Area Networking technologies and associated routing protocols such as EIGRP, OSPF and BGP is essential More ❯

About the role: We are seeking someone with exceptional technical deployment and troubleshooting skills covering a wide range of technologies. The ideal candidate will have a strong understanding of network security and associated technologies and be able to demonstrate a logical and methodical approach to design, implementation and troubleshooting. Here's what the role looks like: Candidates must … consultancy services. Provide expert level support to all clients and act as an internal point of escalation for all support related incidents where required. Troubleshooting and diagnosis of all network and security related incidents Mentoring other members of the team Participating in the on-call rota Here are the key skills and experience relevant to this role: Extensive … experience in a similar role or field based/consulting role CCNP, Routing, Switching & Security with Data Centre experience in Nexus Strong understanding of network security principles and associated technologies Experience of troubleshooting complex enterprise networks and associated technologies Knowledge of Wide Area Networking technologies and associated routing protocols such as EIGRP, OSPF and BGP is essential More ❯

successes like the Raspberry Pi. Additionally, we host a Sony customer service and solutions centre, a business incubation centre, and more. Role Overview: We are looking to strengthen our network team with a focus on security. The Network Security Engineer will be essential in safeguarding and improving our factory's network infrastructure. Responsibilities include designing, implementing … and maintaining secure, efficient networks to meet operational needs, ensuring system reliability, optimizing performance, and proactively addressing vulnerabilities. The role involves collaboration with internal teams to ensure the network is robust, secure, and compliant with high security standards, implementing best practices and advanced security protocols to protect critical network systems. Key Responsibilities: Network Security: Implement and maintain security policies for our network infrastructure. Network Monitoring and Maintenance: Monitor performance, resolve issues, conduct audits, and update Cisco equipment. Network Optimisation: Plan and deploy capacity upgrades supporting business growth and performance. Research and Development: Recommend and integrate new network technologies to enhance security and efficiency. Collaboration and Communication: Work More ❯

Network & Security Specialist Location: London, Onsite Type: Permanent Salary: £65,000 - £75,000 An experience Network and Security engineer is required for a globally recognised organisation in the energy and trading sector, known for its high-performance culture and cutting-edge technology environment. This is a rare opportunity to join a well-funded, international business with … a strong London presence, where technology plays a central role in driving operational excellence. They are seeking a well-rounded Network & Infrastructure Security Specialist to join a small, collaborative IT Team and take ownership of the company's network and infrastructure estate, while also contributing to proactive security improvements. The Role: You'll be the technical … lead for all things network and infrastructure -designing, implementing, and maintaining robust infrastructure to support a fast-paced, mission-critical environment. You'll also collaborate with support and infrastructure teams to ensure seamless operations and rapid incident response. Key Responsibilities: Design and implement strategic plans for network and security infrastructure Lead threat detection and response using tools More ❯

Position Overview: We are seeking a skilled Senior Network Technician to support and maintain our organization's network infrastructure. This role involves installing, configuring, and troubleshooting network equipment and ensuring compliance with Department of Defense (DoD) standards. The ideal candidate will have extensive experience in network support, a proactive approach to problem-solving, and hold an … active CompTIA Security+ certification. Key Responsibilities: • Network Installation & Configuration: Set up and configure network devices such as routers, switches, and firewalls to support organizational operations. • System Maintenance: Perform regular updates and maintenance on network hardware and software to ensure optimal performance. • Troubleshooting: Identify and resolve network issues promptly to minimize downtime and maintain productivity. • Security Compliance: Implement and adhere to network security protocols in line with DoD cybersecurity standards. • Documentation: Maintain accurate records of network configurations, maintenance activities, and infrastructure changes. • Collaboration: Work closely with IT teams and other departments to support organizational goals and initiatives. Required Qualifications: • Security Clearance: Active DoD Secret Clearance. • Certification: CompTIA Security+ (DoD 8570 Compliant More ❯

Clearance Required: Active DoD Secret Clearance (Mandatory) Certification Required: CompTIA Security+ (DoD 8570 Compliant) Position Overview: We are seeking a skilled Senior Network Technician to support and maintain our organization's network infrastructure. This role involves installing, configuring, and troubleshooting network equipment and ensuring compliance with Department of Defense (DoD) standards. The ideal candidate will have extensive … experience in network support, a proactive approach to problem-solving, and hold an active CompTIA Security+ certification. Key Responsibilities: • Network Installation & Configuration: Set up and configure network devices such as routers, switches, and firewalls to support organizational operations. • System Maintenance: Perform regular updates and maintenance on network hardware and software to ensure optimal performance. • Troubleshooting: Identify … and resolve network issues promptly to minimize downtime and maintain productivity. • Security Compliance: Implement and adhere to network security protocols in line with DoD cybersecurity standards. • Documentation: Maintain accurate records of network configurations, maintenance activities, and infrastructure changes. • Collaboration: Work closely with IT teams and other departments to support organizational goals and initiatives. Required Qualifications More ❯

Description ) DHS Mid-Level Network Engineer with Data Center Experience (Washington, DC Area, Northern VA) Position Summary Softek International, on behalf of the DHS Homeland Security Enterprise Network (HSEN) Engineering Support Services Contract, is seeking a Network Engineer (with prior data center experience) to support ongoing WAN engineering and operations, to include on-site data center … activities at the DHS facility based in Ashburn, VA. This candidate should be able to support a variety of network technologies to include, but not limited to, Cisco routing/switching, F5 GTM/LTM load-balancing, Palo Alto firewalls, Cisco SD-WAN powered by Viptela. The ideal candidate will be able to support solution designs and implementations, technology … Provide on-site data center support at the DHS Ashburn facility on an as-needed basis , to include cable management, racking, consoling into devices for troubleshooting, etc. Develop WAN network solutions to meet requirements, while complying with the DHS network architecture and design standards. Perform "as is" analyzes of existing network technologies, make recommendations of changes as More ❯

Job Overview: As a Network Security Engineering team member, the Senior Network Security Engineer will specialise in firewalls and routing. The ideal candidate is a flexible, self-motivated individual who excels at multitasking and thrives in a fast-paced, challenging environment. This self-starter will bring ingenuity and expertise to design, implement, and maintain secure, scalable … high-performing network solutions that connect on-premises and public cloud environments. The role emphasizes driving automation through Infrastructure-as-Code (IaC) and GitOps methodologies, ensuring optimal network performance, and integrating robust security measures. Responsibilities: Network Design and Implementation: Design and implement secure, scalable, and high-performing network solutions bridging on-premises and public cloud … environments. Leverage routing and switching expertise (e.g., BGP, OSPF, MPLS) to ensure network performance and reliability across diverse environments. Analyze operational needs and proactively develop creative network solutions to address security challenges. Security and Firewall Management: Manage firewall configurations for the CyberEnergianetwork based on operational requirements. Develop and implement network security tools, produce threat More ❯

DHS Mid-Level Network Engineer with Data Center Experience (Washington, DC Area, Northern VA) (NCR) Position Summary Softek International, on behalf of the DHS Homeland Security Enterprise Network (HSEN) Engineering Support Services Contract, is seeking a Network Engineer (with prior data center experience) to support ongoing WAN engineering and operations, to include on-site data center … activities at the DHS facility based in Ashburn, VA. This candidate should be able to support a variety of network technologies to include, but not limited to, Cisco routing/switching, F5 GTM/LTM load-balancing, Palo Alto firewalls, Cisco SD-WAN powered by Viptela. The ideal candidate will be able to support solution designs and implementations, technology … Provide on-site data center support at the DHS Ashburn facility on an as-needed basis, to include cable management, racking, consoling into devices for troubleshooting, etc. • Develop WAN network solutions to meet requirements, while complying with the DHS network architecture and design standards. • Perform "as is" analyzes of existing network technologies, make recommendations of changes as More ❯

Network & Security L2 Administrator 6 Month contract initially Based: Onsite - West Drayton Rate: £400 - £425 p/d (via Umbrella company) We have a great opportunity with a world leading organisation where you will be provided with all of the support and development to succeed. A progressive organisation where you can really make a difference. We a great … opportunity for a number of Network & Security L2 Administrators. Key Responsibilities: * Candidates should have a strong working knowledge of OSI layers 1-7, with the ability to apply analytical and troubleshooting skill sets to solve complex problems across all networking disciplines * Monitor the performance and capability of the network using diversified tools. Identify the malfunctioning of hardware … resolutions. * Develop strong relationships with the customer and all other support departments. * Experience in supporting the Cisco WLAN Controllers, SSID and Access Points * Experience on Implementing and troubleshooting Firewalls Security, VPN's, NAT policy, Software Patch management * Configuring and troubleshooting routing & switching protocols: Set up and troubleshoot protocols like OSPF, BGP, EIGRP, VLANs, STPs, VRF, MC-LAG, FHRP, DMVPN More ❯

TENAX Technologies is currently seeking Network Specialists to provide systems, application, communications and network systems support in service of the Air National Guard (ANG) Remotely Piloted Aircraft (RPA) Special Operations Center (SOC). The Network Specialist will interface with fellow contractors, military personnel, and government clients in support of network infrastructures supporting RPA in addition to … providing direct hands-on network expertise to install and maintain network architectures for the RPA-SOC, which operates 24/7/365. The ideal candidate will have a solid understanding of network technologies, protocols, and standards required to integrate and sustain information transport systems. Key Responsibilities • Provide ongoing support of communications and network systems architecture … video distribution, long-haul communications systems, and enhancement support for operations. • Analyze, troubleshoot, and maintain RPA-SOC computer and network systems including hardware, software, operations support for Microsoft Windows and other operating systems at multiple classification levels.LAN/WAN communications, firewalls, operations support for Microsoft Windows operating systems, and networks at multiple classification levels. • Ensure proper configuration of servers More ❯

Cyber Network Engineer, Principal Location: Chantilly, VA Clearance Requirements: TS/SCI with Polygraph Signature Federal Systems is seeking a motivated, career and customer-oriented Principal Cyber Network Engineer to join our team in the Chantilly, VA, area. In this position, you'll help protect our national security while working on innovative projects that offer opportunities for … advancement. As a Principal Cyber Network Engineer, you will be responsible for expanding network architecture of various vendor network devices, such as routers, switches, load balancers and firewalls. Work closely with cross domain engineers to implement and maintain the robust and highly available network devices surrounding a complex cross domain system. Responsibilities include, but are not … insight into efficiencies that can be gained from the current workflow based on an understanding of the customers' requirements. • Work with engineers on troubleshooting and building complex, highly available network topologies. • Performs engineering support and system administration of applications and systems to include installation, configuration, maintenance, patching, and back- up/restore. • Provides Tier 2/3 maintenance and More ❯

Labor Category: Network Engineer Position Title: Cyber Network Defense Analyst Position Level: Level 2 - Expert Salary: Up to $165,000.00 per year Core Hours: 9am to 4pm Location: Herndon VA Description: Position Requires a Top Secret (TS/SCI) Clearance with a Polygraph. B4Corp is seeking a Cyber Network Defense Analyst in Herndon, VA. As a Cyber … Network Defense Analyst on a team, you will use your expertise in Host Based Intrusion Detection Systems (IDS), Intrusion Prevention Systems (IPS) and specialized network defense to provide innovative and creative solutions to challenging cyber security problems. Manage and administer the tuning of rules, signatures, and custom content for CND applications and systems. Identify potential conflicts with … develop recommendations to remediate these conflicts. You will utilize the latest cyber tools available and assist with creating new ones while allowing you to advance the nation's information security posture. Responsibilities include, but are not limited to: • 11-15 years experience • Provide malicious code detection, intrusion detection, and information security tool development and integration. • Utilize forensic analysis More ❯

Job Description: IT - Network Engineer Position Type: Full-Time Location: Chantilly Clearance: TS/FSP Skill Level: Subject Matter Expert Position Overview: We are seeking a highly skilled and experienced IT - Network Engineer to join our team and support the Sponsor's office in building and operating a hybrid-cloud mission infrastructure. This infrastructure supports COTS, GOTS, and … custom applications, and is essential to the success of the Sponsor's operations. The Network Engineer will play a crucial role in the architecture, engineering, implementation, and operation of infrastructure components, including network, storage, and computer systems. The ideal candidate will have extensive experience in network engineering, digital forensics, and the ability to support both network systems and forensic application development. Responsibilities: Network Engineering Support: o Assist with the continuous monitoring of IT systems to sustain Sponsor accreditation. o Coordinate engineering projects, performing technical risk assessments and resolving technical conflicts. o Deploy and maintain network systems, ensuring optimal performance. o Diagnose network issues and follow troubleshooting procedures for restoration. o Gather performance More ❯

and resilient technology solutions. Our team builds and maintains robust infrastructure that safeguards OpenAI's data and systems while ensuring employees are well-equipped and seamlessly connected. By prioritizing security, reliability, and user-centric solutions, we empower OpenAI employees to drive impactful AI research, corporate operations, and product innovation. About the Role As a Network Security Engineer … at OpenAI, you will play a critical role in architecting and maintaining both campus and cloud network infrastructure. You will design and implement secure, scalable, and high-performing network solutions that bridge on-premises environments with public cloud environments. Your expertise in routing and switching will ensure optimal network performance and reliability across diverse environments. You will … drive automation initiatives through Infrastructure-as-Code (IaC) and GitOps methodologies, streamlining network provisioning, enforcing configuration consistency, and optimizing IT workflows. Your responsibilities will also include developing CI/CD pipelines tailored for IT infrastructure, enhancing deployment efficiency, and integrating robust network security measures. You will establish comprehensive observability and proactive issue resolution strategies. We are seeking More ❯

Cyber Security, VMWare, Red Team, Blue Team, Infrastructure as Code (IaC), Terraform, Ansible, DNS, DHCP, NTP, Syslog, Bash, PowerShell, Batch, and Python, Puppet, Splunk Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position. Required: Must be a US Citizen. Must have TS/SCI … clearance w/active polygraph. At least eight (08) years of direct/relevant experience. Bachelor's degree must be in Network Engineering, Systems Engineering, Information Technology, or related discipline from an accredited college or university. Four (04) years of additional relevant experience on projects with similar processes may be substituted for a bachelor's degree. Master's degree …/GED plus twelve (12) years of relevant experience may be considered. Relevant experience must be in computer or information systems design/development, programming, information/cyber/network security, vulnerability analysis, penetration testing, computer forensics, information assurance and/or systems engineering. Additionally, must have experience in network or system administration. Current experience with management More ❯

In your role you will support complex network architectures by developing, designing, configuring, and implementing detailed network engineering strategies/solutions that meet and/or exceed capability, flexibility, scalability, performance, and reliability objectives for a variety of large projects, across multiple technologies, within technical area of expertise. You will also provide technical leadership to team/vendor …/contractor resources, ensuring viability of designs, flawless execution, and seamless transition into the production environment. Responsibilities: Independently perform highly complex assignments. Network design, architecture, management, and deployment of new and existing routing and switching within campus, cloud and data center networks. Lead proper execution of network changes & updates in accordance with corporate security policies to meet … business requirements. Responsible for network performance, as well as conformance to security hardening standards and assessment of CVEs. Ability to troubleshoot network-related issues in a logical manner and complete problem resolution management. Research, recommend, and establish innovative solutions for proper capacity planning that scale with the business growth. Where possible, introduce automation for daily routine administrative More ❯

we transform the way complex, large-scale systems are designed, delivered, and sustained-enhancing client outcomes, improving lives, and changing the world for the better. We are seeking a Network Engineer Expert to join our Security and Electronic Systems (SES) business Unit. As part of (SES) Strategic Business Unit you will be part of a team that designs … engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. Responsibilities The Network Engineer Expert is responsible for designing, implementing, monitoring and managing the network solutions for the … customers to ensure maximum uptime. The role includes designing system configurations, documenting and managing the pre-installation and testing of a new network, and performs upgrades to hardware and software as required. Technical Responsibilities: Survey Reports measurement results in actionable form to more senior personnel and management. Conducts any surveys, inspections, tours, etc. of client sites, as required Design More ❯

Operations Security Engineer Country Intelligence Group is seeking a full-time Operations Security Engineer to support our client at Andrews Air Force Base in advancing cybersecurity and compliance objectives within a secure DoD environment. This position plays a critical role in the implementation and sustainment of security controls across information technology systems, guiding them through the Risk … Management Framework (RMF) process to achieve and maintain Authority to Operate (ATO). The successful candidate will assess vulnerabilities, enforce compliance using DISA Security Technical Implementation Guides (STIGs), and manage remediation plans in collaboration with technical teams and stakeholders. The Operations Security Engineer will be responsible for system hardening, conducting vulnerability assessments using ACAS and SCAP tools, and … systems through the full life cycle of the Risk Management Framework (RMF) processes to achieve local and/or USAF Authority to Operate (ATO). • Implement operating system and network device security configuration in accordance with Defense Information Systems Agency (DISA) approved Security Technical Implementation Guides. • Perform vulnerability assessments using Assured Compliance Assessment Solution (ACAS), Defense Information More ❯

Role: Network Engineer Location & Travel: Work from home. However, will need to go to London for some customer meetings 3-4 times a month Employment Type: Contract Outside of IR35 Duration: 2 to 3 Months Candidate Should be able to start immediately Clearance: Should be SC cleared or Eligible About Company: Prodapt is the largest & fastest growing specialized firm … and digital platform companies in the business of connectedness. Prodapt builds, integrates, and operates solutions enabling next-generation technologies and innovations. Role Details: Overview Seeking a skilled and motivated Network Engineer for a high-priority Network Migration Project. The ideal candidate will have extensive experience in networking and security, with expertise in migration, configuration, and troubleshooting across … Cisco LAN/WAN environments, F5 load balancing, and Checkpoint firewalls. The Network Engineer will work closely with customer and third-party consulting team to design, implement, and optimize network infrastructure while ensuring the security, scalability, and reliability of the systems during the migration process. As part of the migration project, candidate will be responsible for providing More ❯

About the job We currently have an exciting opportunity for SeniorNetwork Engineer to join our existing experienced team. What do we look for in a Senior Network Engineer? Do you feel as comfortable building and supporting production LANs as you do global WANs? Can you implement firewall rules from an application's bespoke requirements? Are you a tinkerer able … an organisation working on latest technologies and incorporating solutions in an innovative way? Are you ready to learn about Secure by Design methodologies from a company working in National Security & Defence? Essential Skills: Implementation and Support of; Wide Area Network Architecture Network Routing Protocols - OSPF, BGP Virtual Private Networks (VPNs) and Network Security Infrastructure - e.g. … IKEv2, NGFWs Creating configuration guides and implementing from High Level and Low Level Designs Desirable Skills: Implementation and Support of; Data Centre Network Architecture - Spine/Leaf Fabric, EVPN, BGP, Geneve High Assurance IP Encryptors (HAIPE) Infrastructure Automation and Orchestration technologies (e.g. Ansible, Terraform etc.) Whitebox Network Infrastructure (e.g. Mellanox, Cumulus Linux, Nvidia Networking) Support and Troubleshooting of More ❯