1 to 25 of 30 Remote Permanent Security Hardening Jobs

London, United Kingdom Posted on 24/02/2025 Job Description: Security Testing Engineer Location: Remote with occasional travel as required Employment Type: Permanent About the Role Scrumconnect Consulting is looking for a Security Testing Engineer to ensure the security, resilience, and compliance of GOV.UK digital … services . This role involves identifying vulnerabilities, mitigating security risks, and ensuring adherence to government security policies and DDAT frameworks . You will work closely with developers, security architects, and business stakeholders to embed security testing into Agile development workflows and DevSecOps pipelines. As a Security Testing Engineer , you will conduct static and dynamic security assessments, penetration testing, and vulnerability analysis , ensuring that applications meet the highest security standards. Key Responsibilities 1. Security Test Planning & Execution Develop, implement, and execute comprehensive security test plans for GOV.UK digital services. Identify security More ❯

years minimum experience with Windows Server Management 3 years minimum experience with VMWare ESXI, vCenter, Horizon and Cloud Pod Architecture Experience IAVM DoD security implementation including STIG and security tools 2-year Degree (e.g. AAS in related IT fields) and Active DoD 8570 Level II Certification (e.g. Security+ … CE, CCNA Security, etc.) TS/SCI Security Clearance Desired Skills Bachelor's degree in a related discipline preferred; will consider additional years of related experience in lieu of a degree 3-5 years of VDI build and administration experience preferably in a Department of Defense (DoD) or … experience as a systems administrator/engineer in a medium to large Enterprise environment supporting a variety of operating systems VMware 7.0 installation, configuration, security hardening and administration as well as Horizon View 8 Citrix DaaS and VDI Installation, Configuration, security hardening and administration Microsoft Windows More ❯

meetings as needed. We are seeking a highly skilled Software Application Subject Matter Expert (SME) to lead the implementation of Department of Defense (DoD) Security Technical Implementation Guides (STIGs) for Oracle Development Kit applications. This role requires specialized knowledge in cybersecurity compliance, Oracle technologies, and secure software development practices. … providing expert-level knowledge and guidance on implementing DISA-ASD-STIG requirements for Oracle Development Kit applications. You will work closely with development teams, security professionals, and stakeholders to ensure all software meets DoD security compliance standards while maintaining functionality and performance. Responsibilities Apply subject matter expertise in … evaluating Oracle Development Kit applications against DoD STIG requirements and security standards Identify security vulnerabilities and recommend appropriate technical solutions to ensure STIG compliance Develop and implement security hardening procedures specific to Oracle Development Kit applications Provide guidance and mentorship to development teams on secure coding More ❯

CyberProof is a cyber security services and platform company whose mission is to help our customers react faster and smarter - and stay ahead of security threats, by creating secure digital ecosystems. CyberProof automates processes to detect and prioritize threats early and respond rapidly and decisively. CyberProof is part … the UST Global family. Some of the world's largest enterprises trust us to create and maintain secure digital ecosystems using our comprehensive cyber security platform and mitigation services. We're looking for a dynamic and driven Cloud Security Engineer to join the our team! In this role … accountabilities will be: Manage Microsoft Defender XDR components for threat detection and response. Configure and maintain Microsoft Intune for endpoint and device management. Implement security hardening for critical Azure applications and access controls. Redesign Azure network security architecture with tools like Azure Firewall and NSGs. Implement Microsoft More ❯

is pivotal in helping infrastructure and Release management teams to secure our networks, operating systems, containers, pipelines and code. We are part of the Security team with a mission of reducing the impact of threats to Parity and its products, bolstering their resilience against potential cyber threats. About the … position: This is a crucial role where your understanding of people, systems and security will allow you to advocate for and influence best practices in a diverse free thinking organisation while facilitating smooth development and implementation processes. It is a unique opportunity to help secure an innovative organisation where … is direct and honest and understands that a check box approach doesn't get results. It involves: Advising Infra Engineering and IT teams on security topics and supporting their work from the security standpoint - maintaining things practical using a risk-based approach with a focus on following areas More ❯

a STEM discipline with 0 years of related engineering experience. Active DoD 8140 approved IAT Level II (or higher) compliant certification. Examples include: CCNA Security, Security+CE, CCNP, and CISSP. Experience with airborne networks, tactical links, and satellite communications to include common commercial and military BLOS and LOS links Experience … in deploying, configuring, and security hardening Cisco Network Devices Understanding of IPv4 and network design, including IP subnetting and protocols including BGP, OSPF and EIGRP Understanding of network device configuration and troubleshooting Understanding of advanced features like GRE, IPSEC, IP quality-of-service, VLANs, and multicast. Familiar with … a STEM discipline with 3 years of related engineering experience. Active DoD 8140 approved IAT Level II (or higher) compliant certification. Examples include: CCNA Security, Security+CE, CCNP, and CISSP. Experience with airborne networks, tactical links, and satellite communications to include common commercial and military BLOS and LOS links Experience More ❯

STEM discipline and 0 years of related engineering experience. Experience in scripting/programming languages such as Python or Matlab Experience deploying, configuring, and security hardening Cisco Network Devices Working knowledge of routing & switching concepts and protocols Familiarity with network simulation tools and load testing (e.g. CML, GNS3 … STEM discipline with 0 years of related engineering experience. Experience in scripting/programming languages such as Python or Matlab Experience deploying, configuring, and security hardening Cisco Network Devices Working knowledge of routing & switching concepts and protocols Familiarity with network simulation tools and load testing (e.g. CML, GNS3 More ❯

operates in a fast-paced environment, driving innovation through tasks such as sensor/weapon integration, algorithm development, user interface development, automated testing, cyber security, enterprise/infrastructure services, and enhancing leading-edge missile defense technologies. The Work We are seeking a highly skilled Network Security Engineer III … cyber-secure network device configurations (firewalls, switches, routers) - Plan, deploy, integrate, and test upgrades to the C2BMC network - Conduct research on different networking and security-related topics and produce reports on findings - Ensure that team devices are STIG-compliant and hardened appropriately, and run cyber protocols as needed Please … Cisco, Palo Alto) - Knowledge of ACL design and function, as well as hands-on experience with multi-vendor switching/routing (Juniper, Cisco) - Network security engineering experience Desired Skills: - Top Secret Clearance is desired - Scripting knowledge (Python, Ansible, PowerShell) - Solid understanding of JUNOS - Prior C2BMC experience - Intermediate knowledge of More ❯

on space architectures, policy and strategy, developmental planning, system of systems engineering, and threat reduction to help shape future space missions across the national security space enterprise. DSG is unique at Aerospace as it not only directly supports major customers, including United States Space Force, United States Space Command … with customers but also horizontal, matrixed responsibilities across the corporation. This Network Operations Specialist IV position provides leadership and network support to the Space Security and Defense Program (SSDP). This fast-paced organization is developing the next generation of capabilities to protect and defend US space systems in … the ability and willingness to obtain SAP/SAR accesses, which is issued by the US government. U.S citizenship is required to obtain a security clearance. Advanced technical proficiency in one or more of the following supported platforms: MS Hyper-V/VMWare/ESx/Xen Hypervisors, Microsoft More ❯

Windows, Linux and Virtualisaiton technologies: -Windows Server 2019/2022 Active Directory and NTFS permissions DNS DHCP File Services Group Policy, CIS and NCSC Security Hardening NTP SQL Server Windows Server Update Server (WSUS) -Cloud AWS Azure -Virtualisation VMware vSphere VMware vCentre Microsoft Hyper-V Our Ideal Candidate … experience within UK Defence (Army, Air force or Royal Navy). Excellent written and verbal communication skills. Ability to hold a minimum of UK Security Clearance (SC). Hold a UK Driving Licence and have a willingness to travel to client sites. Essential Qualifications: A Windows Server certification such More ❯

Windows, Linux and Virtualisaiton technologies: -Windows Server 2019/2022 Active Directory and NTFS permissions DNS DHCP File Services Group Policy, CIS and NCSC Security Hardening NTP SQL Server Windows Server Update Server (WSUS) -Cloud AWS Azure -Virtualisation VMware vSphere VMware vCentre Microsoft Hyper-V Our Ideal Candidate … experience within UK Defence (Army, Air force or Royal Navy). Excellent written and verbal communication skills. Ability to hold a minimum of UK Security Clearance (SC). Hold a UK Driving Licence and have a willingness to travel to client sites. Essential Qualifications: A Windows Server certification such More ❯

efficiency • Collaborate with other teams to integrate Ansible automation into CI/CD pipelines • Manage and maintain RHEL systems, including patch management, upgrades, and security hardening • Provide technical leadership and mentorship to junior team members • Stay current with industry trends, best practices, and developments in Ansible, RHEL, and … related technologies • Ensure compliance with current security policies and remediations • Proactively monitor and measure systems performance to detect trends and catch problems before users are impacted • Respond to systems alerts, triage, troubleshoot, and resolve incidents • Work closely with other support teams to ensure incident events are handled in a … timely manner • Handle incoming technical escalations from Service Desk, Network Operations Security Center, Tier II, and other support teams • Document and map architecture of the current RHEL environment and support the development of an Infrastructure Automation roadmap • Assist with postmortem related activities and support various efforts related to operational More ❯

organizations. We are dedicated to supporting the Air Force's commitment to technological superiority by providing innovative software engineering services that enhance operational efficiency, security, and agility. We strive to be a trusted partner in advancing the Air Force's mission of maintaining global readiness and dominance through superior … to the U.S. Air Force and U.S. Cyber Command. In this role, you'll be responsible for supporting efforts related to automation and infrastructure, security implementation, technical compliance and governance, incident monitoring and response, enhancement and maintenance of CI/CD pipelines, and continuous improvement. Ideal candidates thrive on … expect to: Design and implement automated build, test, and deployment processes leveraging DevSecOps best practices. Manage containerization technologies such as Kubernetes and Docker Perform security hardening and performance tuning for EKS clusters. Develop and maintain Helm charts Optimize Kubernetes resource allocation and autoscaling configurations. Integrate security tools More ❯

in ensuring technical solutions are designed to meet our customers functional and non-functional requirements. This role requires sole UK nationality to obtain UK security clearance. Responsibilities include: Lead technical and design discussions with senior stakeholders to help them speed their adoption of new technologies and practices. Own estimation … timescales. Retains overall ownership of solution through delivery and transition into operation and/or subsequent refinement, or modification. Ensure that appropriate National Cyber Security Centre standards are tightly integrated within the solution. Exert technical influence over multiple teams, increasing their productivity and effectiveness by sharing deep knowledge and … as design, de-risking and development, across the following technologies: Microsoft Windows Server; AD and NTFS permissions DNS DHCP Group Policy, CIS and NCSC Security Hardening Microsoft Exchange Network Time Protocol Public Key Infrastructure Virtualisation; VMware Cloud Foundation (VCF) VMware vSAN Storage Vmware vCenter High Availability Clustering Cross More ❯

in ensuring technical solutions are designed to meet our customers functional and non-functional requirements. This role requires sole UK nationality to obtain UK security clearance. Responsibilities include: Lead technical and design discussions with senior stakeholders to help them speed their adoption of new technologies and practices. Own estimation … timescales. Retains overall ownership of solution through delivery and transition into operation and/or subsequent refinement, or modification. Ensure that appropriate National Cyber Security Centre standards are tightly integrated within the solution. Exert technical influence over multiple teams, increasing their productivity and effectiveness by sharing deep knowledge and … as design, de-risking and development, across the following technologies: Microsoft Windows Server; AD and NTFS permissions DNS DHCP Group Policy, CIS and NCSC Security Hardening Microsoft Exchange Network Time Protocol Public Key Infrastructure Virtualisation; VMware Cloud Foundation (VCF) VMware vSAN Storage Vmware vCenter High Availability Clustering Cross More ❯

C# Senior Software Engineer (Security Clearance) Position Description The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to our … in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This position will be hybrid working and based in one of our offices in Reading … tools. • Ability to understand and navigate complex, safety-critical systems. • Exposure to Agile (SAFe) methodologies and DevOps practices. Desirable Experience: • Operating system and application security hardening techniques. • Active Directory and Group Policy Object (GPO) configuration. • Security and compliance tooling such as Nessus. • Knowledge of UPS systems and More ❯

About Peraton Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to … based applications that streamline and safeguard data movement across complex mission environments. If you're passionate about Linux systems, cloud infrastructure, and supporting national security in a meaningful way, we want to hear from you. What You'll Do: Administer and support robust virtual environments and Linux-based systems … Lead implementation, maintenance, and recovery efforts to ensure system stability and resilience Apply and maintain compliance with Security Technical Implementation Guides (STIGs) Analyze and improve system build documentation and operational procedures Contribute to system architecture and design decisions Support a mix of cloud technologies and modern automation and monitoring More ❯

Are you ready for a new professional challenge in a high-security, cutting-edge IT environment? We're looking for a motivated Container Platform & Unix/Linux Systems Administrator to join a dynamic international team and support a critical on-prem project in Germany. With a workforce of around … on-premises project. Your primary responsibilities will focus on Rancher-based container management and Unix/Linux system administration , with an emphasis on automation, security, and high availability. ️ Main Responsibilities Deploy, configure, and maintain container platforms based on Rancher in a restricted network environment Manage Kubernetes clusters, workloads, and … infrastructure within Rancher Perform advanced Unix/Linux system administration tasks (RHEL 8/9 or equivalent) Implement security hardening across both container and Unix systems Automate operations with tools like Ansible (and optionally Terraform) Ensure system reliability through HA/DR best practices Set up effective monitoring More ❯

/7 international platform support, contributing to a high-performing and secure IT environment. Role & Responsibilities: Manage and maintain Windows Server platforms ensuring reliability, security, and performance. Deliver infrastructure projects and enhancements on time and within budget. Automate tasks and processes using PowerShell, Ansible, AWX, and REST API integrations. … consultancy to development and application support teams. Implement disaster recovery procedures and participate in regular DR testing. Apply patches and updates in line with security and compliance policies. Maintain documentation and contribute to operational procedures. Participate in on-call and weekend support rotations. Essential Skills & Experience: Strong expertise in … Windows Server 2008–2019 technologies. Proficient in PowerShell scripting. Familiarity with CI/CD pipelines, DevOps practices, and Git or similar tools. Knowledge of security hardening standards (CIS), networking, storage, and virtualization. Experience with clustering, high-availability, disaster recovery, and auditing. Understanding of data governance and compliance (e.g. More ❯

/7 international platform support, contributing to a high-performing and secure IT environment. Role & Responsibilities: Manage and maintain Windows Server platforms ensuring reliability, security, and performance. Deliver infrastructure projects and enhancements on time and within budget. Automate tasks and processes using PowerShell, Ansible, AWX, and REST API integrations. … consultancy to development and application support teams. Implement disaster recovery procedures and participate in regular DR testing. Apply patches and updates in line with security and compliance policies. Maintain documentation and contribute to operational procedures. Participate in on-call and weekend support rotations. Essential Skills & Experience: Strong expertise in … Windows Server 2008–2019 technologies. Proficient in PowerShell scripting. Familiarity with CI/CD pipelines, DevOps practices, and Git or similar tools. Knowledge of security hardening standards (CIS), networking, storage, and virtualization. Experience with clustering, high-availability, disaster recovery, and auditing. Understanding of data governance and compliance (e.g. More ❯

You will need to login before you can apply for a job. C# Senior Software Engineer (Security Clearance) Job Description The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our … in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This position will be hybrid working and based in one of our offices in Reading … tools. Ability to understand and navigate complex, safety-critical systems. Exposure to Agile (SAFe) methodologies and DevOps practices. Desirable Experience: Operating system and application security hardening techniques. Active Directory and Group Policy Object (GPO) configuration. Security and compliance tooling such as Nessus. Knowledge of UPS systems and More ❯

You will need to login before you can apply for a job. C# Senior Software Engineer (Security Clearance) Job Description The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our … in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This position will be hybrid working and based in one of our offices in Reading … tools. Ability to understand and navigate complex, safety-critical systems. Exposure to Agile (SAFe) methodologies and DevOps practices. Desirable Experience: Operating system and application security hardening techniques. Active Directory and Group Policy Object (GPO) configuration. Security and compliance tooling such as Nessus. Knowledge of UPS systems and More ❯

WAFS, SQSBYOK, Helm, Kubernetes, Docker, Ingress, Kafka, Elastic Search, Pega experience is a MUS Understanding of the Linux Operating System, standard network protocols and security hardening. Proven experience using AWS Cloud Solutions and services such as Ec2, S3, Lambda, EKS, API Gateway, ALB, API Gateway, Auto scaling etc In More ❯

depth experience with RedHat Ansible and AWX RedHat Satellite Python, Perl and Bash Scripting DevOps mentality, CI/CD pipelines and other automation concepts Security hardening principles in line with CIS industry benchmarks Project focussed, experience taking ownership of projects (end-to-end) Data security governance and More ❯

British Nationals Only About The Client: I am working with a highly regarded and secure-tech organisation leading cutting-edge digital infrastructure transformation across security programmes. They deliver ultra-secure, scalable and high-performance cloud platforms for clients operating in some of the UK's most mission-critical environments. … and real-time data streaming pipelines. As a senior or lead engineer, you’ll be hands-on in both build and support, working across security-first infrastructure and enabling robust DevSecOps practices. Essential Skills: Strong experience with AWS MSK (Kafka) and secure multi-account AWS environments Proven production experience … Pipelines (Drone/GitLab) Excellent understanding of Kafka internals, stream processing, and secure Kafka deployments Strong experience across monitoring (Prometheus, Grafana, CloudWatch) Knowledge of security hardening, IAM, WAF, Shield, Vault Working knowledge of Agile, Infrastructure-as-Code, and DevSecOps practices UK*C or Enhanced DV (eDV) Clearance is More ❯