201 to 225 of 649 TCP/IP Jobs

judgments and gets work done with quality under moderate supervision. Has limited discretion to vary from established procedures. Scope Define, architect, design, develop, document and test embedded and / or application software as part of a software engineering team of 5-20 engineers, within the Cyber UK Business Unit, delivering multiple concurrent research, development and production programmes ranging … from tens of £k to several £m. Responsible for / Key responsibilities Architect, specify requirements, design, implement and test embedded and application software in accordance with the project software development process to ensure high quality and timely software deliverables. Apply object-oriented design techniques to enable code re-use and integration with testing frameworks Review and understand system … and EA, ensuring model can be used for accurate code generation as required. Develop and maintain knowledge of best practice development processes, language standards and tools, e.g. TDD / BDD, Continuous Integration, DevSecOps, static and run-time analysis tools, C / C++ standards and secure software development. Estimate time and effort required for software activities and More ❯

operators and analysts to develop, conclude, document, and analyze requirements • Build prototypes to demonstrate results of analysis • Advance and improve existing toolsets and products Required: • Active DoD TS / SCI with Lifestyle Poly • Junior level reverse engineer's must have two years of experience • Mid-level engineers should have 5+ years experience • Senior level engineers should have a … of 8 years' experience • Reverse engineering and debugging experience using tools such as IDA, Ghidra, OllyDbg • Experience with vulnerability research and exploit development. • Experience with assembly language x86 / 64, ARM, MIPS • Development experience in C / C++ and Python • Familiarity with Git and Subversion • Experience with developing CNO specific software in Linux / Windows / Embedded applications • Experience with automating reverse engineering tasks • B.S. in a technical discipline or 4 additional years of experience in place of B.S. Desired, not required: • Understanding of network protocols such as TCP / IP • Experience with any of the following: Java, JavaScript, Bash, PowerShell, Perl, C#, Rust More ❯

post: The Cybersecurity Department with our client provide support for all electronic communications systems at the site, as well as taking a leading role in delivering technology change / improvement projects and managing external support agreements. The Cyber Security Analyst is required to focus on the detection, investigation and response to cyber security events and incidents. Other tasks … and handling as part of the Computer Security Incident Response (CSIRT) team. * Monitor and administer Security Information and Event Management (SIEM). * Malware analysis and forensics research. * Understanding / differentiation of intrusion attempts and false positives. * Investigation tracking and threat resolution. * Vulnerability identification & mitigation / remediation. * Compose security alert notifications. * Advise incident responders & other teams on … threat. * Triage security events and incidents apply containment and mitigation / remediation strategies. * Generate reports and document security incidents / events. * Proactively monitoring the performance of systems, and make regular routine inspections of installed equipment and take corrective avoidance actions to prevent wider problems. * Act as the point of escalation for the Service desk for security More ❯

as a subject matter expert on our core security technologies, providing guidance and mentorship to other team members. Security Operations (50%) Incident Response: Serve as a Tier 2 / Tier 3 escalation point for complex security incidents, conducting in-depth investigations, and providing clear, actionable remediation guidance. Threat Hunting: Proactively hunt for threats and vulnerabilities across our clients … a Security Operations role (SOC Analyst, Incident Responder, or similar). Hands-on experience with SIEM platforms, with a strong preference for Microsoft Sentinel. Demonstrable expertise with EDR / XDR technologies such as MDE, Acronis, CrowdStrike and others. Familiarity with DNS / proxy security tools like Cisco Umbrella. A solid understanding of the broader Microsoft Security … stack, including Defender suite, Conditional Access, and Azure AD. Experience with incident response methodologies and digital forensics. A good understanding of networking fundamentals (TCP / IP, DNS, DHCP, etc.). Desirable Experience: Previous experience working for a Managed Service Provider (MSP) or in a consulting capacity is highly advantageous. Experience with scripting and automation More ❯

As an experienced Vulnerability Assessment Engineer responsible for maintaining the Vulnerability Assessment toolsets and products. Primary Responsibilities The ability to review requirements, undertake product design followed by Implementation / deployment / support of Vulnerability Assessment tools suite (e.g Tenable, Rapid7, Qualys etc) and peripherals with Engineering. Maintains local and network credentials and provisions access to vulnerability … asset repositories and asset scan policies Work closely with customer delivery managers to prioritize daily tasks and participate in technical meetings with customers' technical specialists. Provide Tier 2 / 3 support for incidents relating to security tools / solutions. Continuously improve customers' security deployments and integrate new technologies and services. Technical Skills & Competencies 5+ years of … issues. Strong knowledge and experience with log monitoring and correlations and correlating events from multiple security tools like log correlation engines, Net flow, host monitoring solutions Excellent troubleshooting / problem solving skills. Experience of dealing with incident, problem and change management processes. Proven working experience of Windows and Linux operating systems. Solid understanding of networking technologies; switches, routers More ❯

Car A leading UK organisation is seeking an experienced Network Analyst to join its internal IT infrastructure team. You'll be responsible for supporting and enhancing enterprise LAN / WAN / WLAN networks, managing Cisco Meraki and Fortinet environments, and providing 3rd line support. Key Skills & Experience: Strong hands-on experience with LAN / WAN, Meraki SD-WAN, Fortinet Firewalls Knowledge of TCP / IP, DNS, DHCP, MPLS, and network monitoring (SolarWinds, Nagios) High-level troubleshooting and network design skills Proactive mindset, strong documentation and communication skills ITIL knowledge and understanding of security / compliance best practices This is a high-impact role within More ❯

Car A leading UK organisation is seeking an experienced Network Analyst to join its internal IT infrastructure team. You'll be responsible for supporting and enhancing enterprise LAN / WAN / WLAN networks, managing Cisco Meraki and Fortinet environments, and providing 3rd line support. Key Skills & Experience: Strong hands-on experience with LAN / WAN, Meraki SD-WAN, Fortinet Firewalls Knowledge of TCP / IP, DNS, DHCP, MPLS, and network monitoring (SolarWinds, Nagios) High-level troubleshooting and network design skills Proactive mindset, strong documentation and communication skills ITIL knowledge and understanding of security / compliance best practices This is a high-impact role within More ❯

Salary type: Salary type: Annual Salary from: Salary to: Location: Location: London, UK Job published: Job published: 31 / 05 / 2025 Job ID: Job ID: 43469 Job Description We have an exciting opportunity for an experienced Head of Technical Operations (TOC)to drive innovation, operational excellence, and continuous improvement in the delivery of premium live … TOC, you will: Lead, mentor, and develop a high-performing team of Network Engineers, fostering collaboration, continuous learning, and customer focus. Oversee day-to-day operations, ensuring 24 / 7 monitoring, support, and maintenance of network and video services. Develop staffing models, training programmes, and performance management processes to ensure the team has the necessary skills and resources. … develop monitoring systems (e.g., Zabbix, Grafana, Prometheus) and oversee client reporting systems. Skills and Qualifications 5-7+ years' experience in a technical leadership role within a 24 / 7 broadcast, network operations centre (NOC), or Master Control Room (MCR) environment. Strong understanding of broadcast environments and workflows, including video / audio encoding, transmission More ❯

Submarine Cybersecurity Test & Evaluation Specialist Location: Manassas, VA Responsibilities: Requires a Bachelor's or Technology degree in Engineering or a related specialized area / field, or equivalent (4 years job-related experience). Requires an additional 5+ years of job-related experience, or a Master's degree with 3+ years of job-related experience. CLEARANCE REQUIREMENTS: Secret Qualifications … to join our dynamic teams in Manassas, VA. The selected candidate will join a highly talented team responsible for developing the state of the art Information Assurance (IA) / Cybersecurity System for the US Submarine Force. The team is responsible for the test, evaluation, and design verification of the system under development. Additionally, the team ensures functional and … port maps. • Participate in various technical and program meetings on a weekly basis. • Conduct Informal and Formal Tests as required to validate all planned testable requirements. • Communicate project / program issues to management, as necessary. • Install and checkout IA software as well as provide test and troubleshooting support at other testing site locations. • Employing a professional and confident More ❯

Overview ISSO / SYSTEMS SECURITY ENGINEER Bowhead is seeking a skilled full-time ISSO / Systems Security Engineer to join our team in Dahlgren, VA. The ideal candidate will have a strong background in computer networking concepts and protocols, as well as network security methodologies. The ISSO / Systems Security Engineer will be responsible … and privacy principles to organizational requirements (relevant to confidentiality, integrity, availability, authentication, non-repudiation). Troubleshooting and diagnosing cyber defense infrastructure anomalies and working through resolution. Performing impact / risk assessments. Required Skills: Skill in conducting vulnerability scans and recognizing vulnerabilities in security systems. Skill in using DoD network analysis tools to identify vulnerabilities (e.g., ACAS, HBSS, etc. … authentication, non-repudiation). Tenable Assured Compliance Assessment Solution (ACAS) Trellix Endpoint Security System (ESS), previously known as McAfee Host Based Security System (HBSS) Skill in applying host / network access controls (e.g., access control list). Skill in using Virtual Private Network (VPN) devices and encryption. Skill in securing network communications. Skill in protecting a network More ❯

of-hours (OOH) rota, if required * Ensure a high standard of client communication and service delivery * Assist account managers with technical input on quotes and client requirements Skills / Must have * 3+ years' experience in an MSP or ISP environment * Strong knowledge of Windows Server, Active Directory, DNS, DHCP, and Group Policies * Familiarity with Microsoft Exchange and Exchange … Online * Understanding of Microsoft 365 and Azure Sync fundamentals * Experience supporting Windows, macOS, RDS environments * Strong grasp of networking protocols (TCP / IP, LAN / WAN, firewall basics) * Confident, clear communicator with strong client-facing presence * Comfortable in fast-paced, multi-client technical support environments * Experience with SME clients and project involvement … Desired (not essential) * Degree or equivalent in a technical or business discipline * Experience using CRM / ERP tools (e.g. Oracle, Salesforce) Please note This role requires on-site presence 2 days per week in Chippenham or South Bristol, and 1 day per week at a client site in Salisbury. A valid driving licence and personal vehicle are required. More ❯

Education, help the Chief of Naval Operations (CNO) define the future Navy, its missions and roles, support combat readiness, and strengthen maritime security cooperation. Title: Systems Security Analyst / Cyber Defense Analyst Location: Newport, RI Full Time (Y / N): Y Status (Exempt / Non-Exempt): Exempt Clearance: Top Secret / SCI … and scanning, McAfee HBSS, Corelight, and Cortex. • IOT discovery, monitoring, SOAR orchestration, and SIEM event correlation and analysis. • Cloud security systems for DLP, and Email and threat prevention / monitoring. • Validate remediation of IT resources managed by departmental branches. • Security incident reporting to Security Operations Center. • Administration of firewalls, Intrusion Detection System, policy server, IAVA management, Defense Information … encryption). • Network protocols TCP / IP, Dynamic Host Configuration, and Domain Name System. • Network traffic flows Transmission Control Protocol, Internet Protocol, Open System Interconnection Model, and Information Technology Infrastructure Library. • Common attack vectors and classes of attacks (passive, active, insider, close-in, distribution). More ❯

required to travel to customer sites which are predominantly located in Central London to provide onsite support engineer services for holiday or capacity cover. We operate a 24 / 7 365 service desk and therefore you will be expected to work a shift rota or cover specific shifts when required. The ideal candidate is a self-starting problem … technical depth to investigate and solve challenging problems independently. What will you be doing? Serve as a primary point of contact for clients, providing effective support via Teams / Google Meet, email, and our ticketing system. Manage the entire lifecycle of support tickets, from initial logging and diagnosis (Tier 1) to more advanced troubleshooting and resolution (Tier … and packaging troubleshooting. Microsoft Entra ID (Azure AD): User and group administration, conditional access policies, and multi-factor authentication (MFA) troubleshooting. Windows Server: Administration of Windows Server 2016 / 2019 / 2022, including Active Directory (Group Policy, DNS, DHCP), file permissions, and print services and Hybrid Models. This includes an understanding of hybrid identity configurations, including More ❯

not limited to: • Minimum of 8-12 years' experience, in supporting virtualization technologies preferred • Architect and design server virtualization solutions • Perform systems administration for Windows Server and UNIX / Linux systems such as RHEL and SLES • Develop automation through scripting and APIs (Ansible, Puppet, Chef, PowerShell, Python, Bash, Terraform) • Perform certificate lifecycle management for systems and applications • Evaluate … directly or with the team members • Define, monitor, optimize, and troubleshoot system performance of all server virtualization and other related infrastructure systems • Basic understanding of data center networking (TCP / IP, switching / routing, ports and protocols, firewall concepts, load-balancing) • Strong, demonstrable scripting experience in one or more of the following … networks, wide area networks, messaging, and client-server applications. • Ability to develop and maintain IT documentation. • Independently analyzes and develops innovative resolutions for complex problems involving availability and / or performance at the component level. Works with vendors to resolve problems and, implements solutions independently • Leads project teams within assigned unit. Develops, plans, and manages project tasks. • Provides More ❯

London, United Kingdom Company: Leading International Bank (London Branch) Division: Wholesale Banking - Technology (IT) Job Type: Full-Time | Officer Grade Experience Level: 1-2 Years Industry: Financial Services / Banking Role Overview A London-based international bank is seeking a Tech Support Engineer to ensure the reliability and performance of its IT infrastructure. This role involves hands-on … support across hardware, software, and network systems, with a focus on secure, compliant, and resilient operations in a regulated financial environment. Key Responsibilities Provide 1st / 2nd line technical support for desktops, laptops, printers, phones, and mobile devices Manage laptop imaging and deployment (WIM USB, MDT, SCCM, Intune, AutoPilot) Administer user accounts and permissions (Active Directory, Microsoft … SharePoint, Teams, OneDrive) Support core networking protocols (DNS, DHCP, TCP / IP, LAN / WAN) Monitor system performance and assist with backups and disaster recovery procedures Maintain endpoint security (Bitlocker, SentinelOne, Fortinet, Symantec, MFA) Document IT procedures and respond to service requests with urgency and professionalism Support AV systems, CCTV, card access More ❯

service-related issues. Under appropriate supervision, you may be required to attend our clients’ offices and transport computer equipment on occasion, providing cover for on-site support and / or installation services where geographically appropriate. There is strong potential for a permanent role with the Company, upon successful completion of your apprenticeship. As a Digital Support Technician you … and software applications Create new user accounts according to individual needs of the user and client, and according to instruction Assist with migrations (e.g. on-premises to Azure / Entra / Office 365) and other IT projects, when required Offer training to users on system usage and best practices Assist users in managing their user accounts … including password resets and access permissions Work on multiple issues / tickets concurrently, prioritising your workload and meeting SLA deadlines Keep track of all client and internal interactions in the company's PSA tool, to allow for accurate reporting of time, sales, communications, and profitability of each client Training This role offers the potential for a permanent position More ❯

to create hardened networked computer systems in mission-critical environments. Key Responsibilities Design, develop, document, and test integrated software systems for embedded, high-performance computing platforms Perform hardware / software interface integration for secure small computer networks Administer and configure secure Linux systems (client / server) Develop Bash and shell automation scripts Conduct cybersecurity hardening (DISA … leads in a classified environment Minimum Qualifications U.S. Citizen with active SECRET clearance Bachelor's in Computer Science, Engineering, or related field 5+ years of experience in software / systems engineering Strong Linux system administration and scripting experience (BASH or equivalent) Experience applying STIGs or similar security hardening practices Understanding of high-speed secure networks (TCP / IP, fiber / copper media) Preferred Experience DoD or Aerospace / Defense program experience Experience with automation, logging, monitoring, or compliance tools in secure environments Familiarity with small form-factor hardware or mission processors Why You Should Apply This role is designed for engineers who thrive in structured, technical More ❯

amended (such as Sec+ or equivalent) required. CSSP Auditor certification is required. Must have experience supporting DoD or Intelligence Community networks Practical experience with firewalls, network TAPs, IDS / IPS, endpoint protection, and other network defense technologies Adept in evaluating network protocols utilizing network analyzers, such as Wireshark, Tshark, and tcpdump Experienced in analyzing network datasets, including Zeek … frameworks (e.g., RMF, CMMC, NIST 800-53) and their application in secure system design and monitoring. Knowledge of common enterprise network architectures and defense mechanisms Experienced in analyzing TCP / IP, DNS, HTTP / S, SSL / TLS, SMB, and RDP protocols to identify vulnerabilities, misconfigurations, and indicators of malicious … PTO: 15 vacation, 5 sick, 2 personal days Grow Without Limits: Access to exclusive training platforms, certification reimbursements, and a generous development budget to elevate your career EOE / ADA IND123 SRG Government Services is a leading provider of information technology, training, engineering, accounting and intelligence analytical services for agencies in the intelligence, defense, homeland security, cyber security More ❯

As Technical Account Manager you will develop a deep understanding about the customer business / technical needs that will be used to provide technical support solutions tailored to their needs and challenges. Your proactive guidance will help keeping the customers mission critical environments healthy by identifying potential issues before they become problems and improving the overall customer experience … customers achieving their strategic objectives while working on cutting edge security products then come and join our team. Key Responsibilities: • Develop a deep understanding about the customer business / technical needs to provide technical information, guidance and support • Become a trusted advisor by proactively guide your customers with technical recommendations and best practices • Run advanced troubleshooting on the … of each case • Participate in customer conference calls or face to face customer meetings • Produce service reports to summarize service activity and performance for key stakeholders • Report Software / Hardware related issues to R&D department and assure follow-up Skills and Attributes Requirements: • Good understanding of data networking protocols, specifically TCP / IP More ❯

Job #: Apex Systems is currently hiring for Network Technician with one of our top government clients. Project Details / Mission Supported: • This project supports the Network Operations Center at the Shaw Air Force Base • Very mission critical, running the Wide Area Network in Asia • Responsibilities include network troubleshooting, managing firewalls, etc Qualified candidates will have the following … experience and skills: • Knowledge of TCP / IP fundamentals, Firewalls, Active Directory • Active CCNA certification • Active security+ certification • Ability to obtain ITIL certification within 90 days of starting • 2+ years of experience with degree, 5+ years of experience without degree Location: Shaw AFB Clearance Level: Secret Shift: Panama Schedule (12 hour shifts, 2 days … on, 2 days off- weekend and night work possible) Salary / Pay range: $75-85k depending on experience PLEASE NOTE: Candidates must be able to obtain and / or maintain a Department of Defense Secret security clearance as a condition and continuation of employment If you are interested, please apply here or email an updated More ❯

Backend Software Engineer / Developer (Windows C / C++, C#) London to £70k FTC Are you a skilled Backend Software Engineer with strong C++ skills? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefits. As a Backend Software Engineer … The platform has been built with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. Location / WFH: You'll join colleagues in the City office three days a week with flexibility to work from home the other two days. Please note this is a … month Fixed Term Contract. About you: You have C / C++ development skills on Windows OS You have full software development lifecycle experience You have a good knowledge of networking protocols e.g. TCP / IP, multicast You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP, Data Structures, Design More ❯

Backend Software Engineer / Developer (Windows C / C++, C#) London to £70k FTC Are you a skilled Backend Software Engineer with strong C++ skills? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefits. As a Backend Software Engineer … The platform has been built with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. Location / WFH: You'll join colleagues in the City office three days a week with flexibility to work from home the other two days. Please note this is a … month Fixed Term Contract. About you: You have C / C++ development skills on Windows OS You have full software development lifecycle experience You have a good knowledge of networking protocols e.g. TCP / IP, multicast You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP, Data Structures, Design More ❯

Security Engineer Permanent Hybrid - 2 or 3 days p / w on-site Tunbridge Wells area (Hands on recent career experience of Salesforce Industries / Vlocity is essential) FPSG have a fantastic opportunity to join a large-scale digital transformation programme aimed at uniting multiple internal business units under a new, secure, cloud-native digital platform. … for a hands-on Security Engineer who enjoys embedding security into the development lifecycle and working with modern tooling and cloud environments. .Net Azure exposure desired, Salesforce Industries / Vlocity experience is essential. The successful Security Engineer's responsibilities will include: Analysing new feature code to identify and mitigate security risks Collaborating with development teams to implement secure … as DSOMM, including hands-on delivery (code, configuration, documentation, tooling) Designing, building, operate, monitoring secure solutions across complex platforms Ensuring internal and industry security standards (e.g. OWASP CI / CD, SAMM) are adhered to across systems Managing and improving cloud security posture (Azure Defender, Prisma Cloud etc) Implementing and optimising observability platforms for holistic system monitoring Supporting and More ❯

amended (such as Sec+ or equivalent) required. CSSP Auditor certification is required. Must have experience supporting DoD or Intelligence Community networks Practical experience with firewalls, network TAPs, IDS / IPS, endpoint protection, and other network defense technologies Adept in evaluating network protocols utilizing network analyzers, such as Wireshark, Tshark, and tcpdump Experienced in analyzing network datasets, including Zeek … frameworks (e.g., RMF, CMMC, NIST 800-53) and their application in secure system design and monitoring. Knowledge of common enterprise network architectures and defense mechanisms Experienced in analyzing TCP / IP, DNS, HTTP / S, SSL / TLS, SMB, and RDP protocols to identify vulnerabilities, misconfigurations, and indicators of malicious … to rapidly and precisely match professionals to client requirements. We have a proprietary database of over one million candidates and maintain continuous contact with our qualified talent. EOE / ADA IND123 More ❯

and technical support. Log, monitor, update and resolve complaints. Internal, customer and distributor support. Engage in continuous product development - continuous evaluation of all product lines. Your Background: HNC / HND / Degree or equivalent in computer science or computer related field. Strong knowledge of Windows, MacOS, and Linux operating systems. Experience with networking concepts (TCP / IP, DNS, VPN, WI-FI). Working knowledge of database setup and maintenance (Microsoft SQL / Access). Familiarity with MS Dynamics, MS Active Directory, Office 365, and cloud platforms. Understanding of LIMS set up and communication protocols. Experience in Cyber security essentials desirable but not essential. Apply: It is essential More ❯