426 to 450 of 22,575 Security Cleared Jobs

Software Engineer L1 RB - TS/SCI Poly required Annapolis Junction, MD Information Technology Apply Now The Level 1 Software Engineer (SWE) shall possess the following capabilities: • Analyze user requirements to derive software design and performance requirements • Debug existing software More ❯

Software Engineer L2 RB - TS/SCI Poly required Annapolis Junction, MD Information Technology Apply Now The Level 2 Software Engineer (SWE) shall possess the following capabilities: • Analyze user requirements to derive software design and performance requirements • Debug existing software More ❯

Red Key is seeking a skilled Java Developer to serve as a Marklogic Subject Matter Expert (SME) and provide Agile DevOps support for mission-critical systems. In this role, you will have the opportunity to develop robust systems, software, and More ❯

Software Engineer L3 RB - TS/SCI Poly required Annapolis Junction, MD Information Technology Apply Now The Level 3 Software Engineer (SWE) shall possess the following capabilities: • Analyze user requirements to derive software design and performance requirements • Debug existing software More ❯

Responsibilities: Develop and maintain frontends using Vue.js Work closely with tech lead on technical decisions and product roadmap Act as a source of technical knowledge for more junior engineers Interact directly with the customer to resolve issues and propose new More ❯

R- Description Leidos has an exciting opportunity for a Software Engineer! Must have an active TS/SCI Polygraph up front. No exceptions. You will perform software development lifecycle (SDLC) activities as both an individual and a member of our More ❯

This position will involve researching, designing, implementing, and testing software solutions. Responsibilities and Duties Develop applications, services, and components for specific products. Tasks include design, code, test, validate security and policy compliance, debug, document, deploy, and maintain the software. Manipulate extremely large data sets, and data queries for existing or proposed databases Provide requirement analysis and synthesis from More ❯

Job Specification – SC Cleared Java Architect (Contract) – London Job Title: SC Cleared Java Architect Location: London (Hybrid – 2–3 days onsite per week, remainder remote) Contract Type: Contract (Outside IR35 preferred) Duration: 6–12 months (with potential extension) Clearance Requirement: Active SC (Security Clearance) – must be valid and transferable Role Overview We are seeking an experienced …/defence environment. The successful candidate will provide technical leadership, architectural direction, and hands-on expertise across Java-based platforms, ensuring solutions are robust, scalable, and compliant with security and regulatory standards. Key Responsibilities Define and own the Java application architecture and integration patterns. Provide technical leadership to development teams and ensure best practices are followed. Design, review … and cloud-native architectures . Work closely with stakeholders, business analysts, and solution architects to translate requirements into high-level and low-level designs . Ensure solutions meet security, compliance, and performance requirements in line with government standards. Support the adoption of DevOps practices, CI/CD pipelines, and automated testing frameworks . Conduct architecture reviews, risk assessments More ❯

Job Specification – SC Cleared Java Architect (Contract) – London Job Title: SC Cleared Java Architect Location: London (Hybrid – 2–3 days onsite per week, remainder remote) Contract Type: Contract (Outside IR35 preferred) Duration: 6–12 months (with potential extension) Clearance Requirement: Active SC (Security Clearance) – must be valid and transferable Role Overview We are seeking an experienced …/defence environment. The successful candidate will provide technical leadership, architectural direction, and hands-on expertise across Java-based platforms, ensuring solutions are robust, scalable, and compliant with security and regulatory standards. Key Responsibilities Define and own the Java application architecture and integration patterns. Provide technical leadership to development teams and ensure best practices are followed. Design, review … and cloud-native architectures . Work closely with stakeholders, business analysts, and solution architects to translate requirements into high-level and low-level designs . Ensure solutions meet security, compliance, and performance requirements in line with government standards. Support the adoption of DevOps practices, CI/CD pipelines, and automated testing frameworks . Conduct architecture reviews, risk assessments More ❯

Job Specification – SC Cleared Java Architect (Contract) – London Job Title: SC Cleared Java Architect Location: London (Hybrid – 2–3 days onsite per week, remainder remote) Contract Type: Contract (Outside IR35 preferred) Duration: 6–12 months (with potential extension) Clearance Requirement: Active SC (Security Clearance) – must be valid and transferable Role Overview We are seeking an experienced …/defence environment. The successful candidate will provide technical leadership, architectural direction, and hands-on expertise across Java-based platforms, ensuring solutions are robust, scalable, and compliant with security and regulatory standards. Key Responsibilities Define and own the Java application architecture and integration patterns. Provide technical leadership to development teams and ensure best practices are followed. Design, review … and cloud-native architectures . Work closely with stakeholders, business analysts, and solution architects to translate requirements into high-level and low-level designs . Ensure solutions meet security, compliance, and performance requirements in line with government standards. Support the adoption of DevOps practices, CI/CD pipelines, and automated testing frameworks . Conduct architecture reviews, risk assessments More ❯

Job Specification – SC Cleared Java Architect (Contract) – London Job Title: SC Cleared Java Architect Location: London (Hybrid – 2–3 days onsite per week, remainder remote) Contract Type: Contract (Outside IR35 preferred) Duration: 6–12 months (with potential extension) Clearance Requirement: Active SC (Security Clearance) – must be valid and transferable Role Overview We are seeking an experienced …/defence environment. The successful candidate will provide technical leadership, architectural direction, and hands-on expertise across Java-based platforms, ensuring solutions are robust, scalable, and compliant with security and regulatory standards. Key Responsibilities Define and own the Java application architecture and integration patterns. Provide technical leadership to development teams and ensure best practices are followed. Design, review … and cloud-native architectures . Work closely with stakeholders, business analysts, and solution architects to translate requirements into high-level and low-level designs . Ensure solutions meet security, compliance, and performance requirements in line with government standards. Support the adoption of DevOps practices, CI/CD pipelines, and automated testing frameworks . Conduct architecture reviews, risk assessments More ❯

Job Specification – SC Cleared Java Architect (Contract) – London Job Title: SC Cleared Java Architect Location: London (Hybrid – 2–3 days onsite per week, remainder remote) Contract Type: Contract (Outside IR35 preferred) Duration: 6–12 months (with potential extension) Clearance Requirement: Active SC (Security Clearance) – must be valid and transferable Role Overview We are seeking an experienced …/defence environment. The successful candidate will provide technical leadership, architectural direction, and hands-on expertise across Java-based platforms, ensuring solutions are robust, scalable, and compliant with security and regulatory standards. Key Responsibilities Define and own the Java application architecture and integration patterns. Provide technical leadership to development teams and ensure best practices are followed. Design, review … and cloud-native architectures . Work closely with stakeholders, business analysts, and solution architects to translate requirements into high-level and low-level designs . Ensure solutions meet security, compliance, and performance requirements in line with government standards. Support the adoption of DevOps practices, CI/CD pipelines, and automated testing frameworks . Conduct architecture reviews, risk assessments More ❯

We are looking for an experienced Technical Lead with active eDV/UK*C/UKIC clearance to guide engineering teams in delivering high-quality, maintainable, and secure software solutions. Acting as a bridge between architecture and implementation, you will More ❯

We are looking for an experienced Technical Lead with active eDV/UK*C/UKIC clearance to guide engineering teams in delivering high-quality, maintainable, and secure software solutions. Acting as a bridge between architecture and implementation, you will More ❯

We are looking for an experienced Technical Lead with active eDV/UK*C/UKIC clearance to guide engineering teams in delivering high-quality, maintainable, and secure software solutions. Acting as a bridge between architecture and implementation, you will More ❯

We are looking for an experienced Technical Lead with active eDV/UK*C/UKIC clearance to guide engineering teams in delivering high-quality, maintainable, and secure software solutions. Acting as a bridge between architecture and implementation, you will More ❯

We are looking for an experienced Technical Lead with active eDV/UK*C/UKIC clearance to guide engineering teams in delivering high-quality, maintainable, and secure software solutions. Acting as a bridge between architecture and implementation, you will More ❯

UKIC DV Cleared Site Reliability/DevOp Engineer London - 5 Days Onsite Up to 550 per day (Umbrella, Inside IR35) 12-Month Contract Must hold UKIC DV Clearance Are you passionate about reliability, automation, and supporting mission-critical systems? Join this global defence organisation as a Site Reliability Engineer (SRE) and help shape the future of one of the … UK's most vital national security platforms. You'll be joining a growing SRE team at the heart of the customer's mission, focused on ensuring performance, availability, and scalability-while driving continuous improvement and innovation. About the Role As an SRE, you'll combine your operational expertise with software engineering skills to minimise manual effort and drive … e.g., Jira, Confluence) Diagnosing and resolving complex system issues ITIL knowledge or exposure to IT service operations Containerisation: Docker, Kubernetes, OpenShift Awareness of modern tech trends and tooling Security Requirements UKIC DV clearance holder only Why Apply? Join a forward-thinking SRE team in an environment where your work directly supports UK national security. Help shape tooling, practices More ❯

UKIC DV Cleared Site Reliability/DevOp Engineer London - 5 Days Onsite Up to £550 per day (Umbrella, Inside IR35) 12-Month Contract Must hold UKIC DV Clearance Are you passionate about reliability, automation, and supporting mission-critical systems? Join this global defence organisation as a Site Reliability Engineer (SRE) and help shape the future of one of the … UK's most vital national security platforms. You'll be joining a growing SRE team at the heart of the customer's mission, focused on ensuring performance, availability, and scalability-while driving continuous improvement and innovation. About the Role As an SRE, you'll combine your operational expertise with software engineering skills to minimise manual effort and drive … e.g., Jira, Confluence) Diagnosing and resolving complex system issues ITIL knowledge or exposure to IT service operations Containerisation: Docker, Kubernetes, OpenShift Awareness of modern tech trends and tooling Security Requirements UKIC DV clearance holder only Why Apply? Join a forward-thinking SRE team in an environment where your work directly supports UK national security. Help shape tooling, practices More ❯

is a hands-on engineering role working within a secure, mission-led environment. You’ll be delivering automation, cloud and platform engineering solutions that underpin critical Defence & National Security programmes. We’re looking for a Platform Engineer who thrives in complex environments, driving automation and secure-by-design principles across infrastructure and CI/CD workflows. WHAT YOU …/CD Ability to work across cloud, containers, and modern platform tooling Must hold active SC or DV clearance WHY WORK FOR US Work on critical Defence & National Security programmes Outside IR35 flexibility Long-term pipeline of secure projects Hybrid working model (South Coast) TO BE CONSIDERED Apply via this advert or contact: 📩 luke.parry@searchability.com 📞 07412 519044 (Please More ❯

and maintain a wide range of enterprise technologies across hybrid environments. This role is ideal for professionals with hands-on experience incontainer orchestration,network infrastructure, andenterprise monitoring and security tools. Primarily based in Cardiff, with occasional travel to other customer locations as required.You will be responsible for supporting critical infrastructure components includingKubernetes,OpenShift,Dell servers,Cisco and Juniper … VDI environments, andsecurity appliancessuch asNexor data diodesandEndace packet probes. This is a dynamic opportunity to work in a fast-paced, secure environment, contributing to the stability, performance, and security of enterprise systems. You must be eligible forUK Security Check (SC)clearance, with the potential to progress toDeveloped Vetting (DV)clearance. Responsibilities ProvideLevel 2 supportfor infrastructure platforms … SolarWinds,Endace packet probes,Gigamon,Nexor data diodes VDI environments ESXi and KVM Hypervisors Windows Server OS RedHat Enterprise Linux OS Monitor and maintain system performance, availability, and security Troubleshoot and resolve incidents, escalating toLevel 3 support teamswhen necessary Liaise with Level 3 engineers to ensure timely resolution of complex issues and to support root cause analysis Document More ❯

a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Grade: GG08-GG09 Referral Bonus: £5,000 National Security Overview The National Security business is growing and there are an increasing number of opportunities to work with a range of National Security clients to … bonus scheme You are welcome to join any/all of our Diversity and Support groups. These groups cover everything from gender diversity to mental health and wellbeing. Security Clearance Only those with the permanent and unrestricted right to live and work in the UK will be considered for a position within BAE Systems Digital Intelligence. Due to … our, work successful candidates for this role will be required to go through Government SC clearance prior to starting with us. https://www.gov.uk/guidance/security-vetting-and-clearance Why BAE Systems? This is a place where you’ll be able to make a real difference. You’ll be part of an inclusive culture that More ❯

Important: All applicants must be eligible for SC clearance . Not sure if you qualify? Check on the gov website -gov.uk/government/publications/united-kingdom-security-vetting-clearance-levels/national-security-vetting-clearance-levels#security-check-sc Why Ten10? At Ten10, were proud to be one of the UKs leading independent consultancies for More ❯

onsite. The selected candidate will be required to work onsite at one of the listed location options. Basic Qualifications (Required Skills/Experience): Ability to obtain Secret U.S. Security Clearance 2+ years of experience in full-stack software development 1+ years of experience using CSS, JavaScript, and HTML 1+ years of experience with Agile software development lifecycle Preferred … Person" includes U.S. Citizen, lawful permanent resident, refugee, or asylee. Export Control Details: US based job, US Person required Relocation This position offers relocation based on candidate eligibility. Security Clearance This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. An interim and/or final U.S. More ❯

Job Title: Contract Solutions Architect - Software Focus (SC Cleared) Location: Hybrid (Remote & Ad Hoc Leeds/Manchester/London) Contract Type: Contract IR35: Inside Duration: 6 Months + Rate: £450-£525 (DOE) Clearance Required: Active SC Clearance About the Role We are seeking an experienced Solutions Architect with a strong software engineering background to join a high-profile UK More ❯