701 to 725 of 1,283 Permanent Security Cleared Jobs

Lead, Electro-Optical (EO) Systems Engineer

Hiring Organisation
L3Harris Technologies
Location
Wilmington, Massachusetts, United States
Employment Type
Permanent
Salary
USD Annual
systems 6+ years experience working with engineering and simulation software tools, such as MATLAB Candidate must be eligible to obtain a DOD Secret security clearance Preferred Additional Skills: Holds an active Secret or Top Secret/SCI clearance Demonstrated experience with space systems engineering, including knowledge of space … substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment ...

Senior Software Developer

Hiring Organisation
ECM Selection (Holdings) Limited
Location
Guildford, Surrey, United Kingdom
Employment Type
Permanent
Salary
£55000 - £70000/annum Bonus + Excellent Benefits
Develop advanced software for real-world defence and security systems An established engineering consultancy company is seeking experienced software developers to join their multi-disciplinary team delivering innovative sensor and signal processing solutions for defence and national security applications. Some projects are aligned with in-house … developing algorithms for new sensor data and optimising software for constrained environments. Other projects will see you developing sophisticated software in the cyber security industry, as well as creating UIs for electronic gizmos using web technologies. Please note: this role requires eligibility for UK Developed Vetting (DV) clearance. ...

Java Software Engineer

Hiring Organisation
Addition
Location
Cheltenham, England, United Kingdom
Join a specialist consultancy delivering secure, high-impact software solutions at the heart of national security and intelligence operations. This role plays a key part in building the systems that turn complex data into actionable insight. Role Overview: Location: Cheltenham, London or Manchester (up to 80% onsite) Package … Competitive + benefits Industry: Security & Intelligence/Government Technology What You’ll Be Doing: Develop and maintain secure, high-performance Java backend services for mission-critical systems Design scalable microservices and APIs that power data-driven platforms and operational tools Build distributed applications capable of handling large data ...

Specialist Software Engineer

Hiring Organisation
L3Harris Technologies
Location
Gardena, California, United States
Employment Type
Permanent
Salary
USD Annual
experience. Or in lieu of a degree, minimum of 10 years of prior related experience. Ability to obtain and maintain a secret/security clearance. Expertise in embedded real-time systems software design. Experienced in object and service-based software architectures, a plus. Experienced in embedded … substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment ...

Application Security Design Engineer

Hiring Organisation
CBSbutler Holdings Limited
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent
Salary
£55,000
Security Application Design Engineer Onsite in Bracknell Eligible for DV clearance £50-55K per annum + benefits package Join a high-impact engineering team delivering a secure Gateway solution for a major UK defence customer . This is a hands-on Security Application Architect role … where you'll design, implement and troubleshoot mission-critical infrastructure in a live, security-sensitive environment. Working alongside senior architects and engineering leads, you'll play a key role in maintaining availability, supporting operational teams, and driving technical change across complex systems. What You'll Be Doing Identify ...

Solution Architect (Digital Consulting)

Hiring Organisation
F5 consultants
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
Architect (Digital Consulting) Home working + 1 day per week on site in Bristol Salary Up to £70k + bens Eligibility for UK Security Clearance (SC) A growing strategy, operations, and digital consultancy is looking for a Solution Architect to design and deliver secure, scalable cloud solutions using … mentor junior colleagues in solution architecture best practices. You'll bring TOGAF certification with strong architecture experience Expertise across business, data, application, security & technology architecture Proven delivery of cloud-native solutions , ideally Azure (IaaS, PaaS, serverless, hybrid) Solid understanding of secure system design , governance, and risk management Experience ...

SRE Managing Consultant - Cloud Operating Model

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
shape the operating model, ways of working, and governance required to run resilient cloud and hybrid platforms at scale, partnering with engineering, operations, security and product leaders to improve outcomes across availability, reliability, scalability and operational performance. This will include: SRE Operating Model & Ways of Working : Define … Kingdom for the last 5 years, along with other criteria and requirements. Throughout the recruitment process, you will be asked questions about your security clearance eligibility such as, but not limited to, country of residence and nationality. Some posts are restricted to sole UK Nationals for security ...

Solutions Architect

Hiring Organisation
Anson McCade
Location
England, United Kingdom
+ package + DV allowance About the Role Our client is a major force in the UK’s cyber and national security landscape, delivering complex, high-impact programmes across government and defence. They are hiring an AWS Solution Architect to lead cloud migration and architecture across large-scale … designing AWS cloud architectures in large, multi-account environments Proven track record delivering cloud migration programmes Deep understanding of AWS services, networking and security Experience with DevOps tooling and CI/CD pipelines Comfortable working in Agile environments and leading technical direction Ability to engage and influence both ...

Power Platform Developer

Hiring Organisation
Hays Technology
Location
Walsall, Staffordshire, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 - 60,000 Annual
deliver efficient, scalable, and user-friendly solutions that improve productivity and business outcomes. To be considered, you will need to be eligible for Security Clearance. Responsibilities Design, build, and customize business applications using Microsoft Power Apps (Canvas and Model-Driven). Automate workflows and processes using Power Automate … integrate with various data sources. Develop and maintain Dataverse entities, security roles, and relationships. Integrate Power Apps with SharePoint, Dynamics 365, Teams, and other Microsoft 365 services. Create and manage custom connectors for integrating external APIs and services. Translate business requirements into functional and technical specifications. Conduct testing ...

Software Developer

Hiring Organisation
Peregrine
Location
Newcastle upon Tyne, Tyne & Wear, United Kingdom
Employment Type
Permanent
Salary
£1/annum
Software Developer - SC cleared Permanent | Hybrid (willing to travel to Newcastle) | Python | AI | BPSS We are looking for Software Developers with strong Python and AI experience to work at an early stage alongside enterprise architects and senior engineers. You will help research, design and prototype the foundations … experience) AWS Services Active BPSS, SC clearance or eligible for clearance Desirable skills: Experience supporting AI or data driven platforms Knowledge of cyber security or fraud prevention domains Experience working within government or critical national infrastructure environments About Peregrine We build workforces that deliver tech and change programmes ...

Software Developer (SFIA 5) SC / Newcastle - CEA

Hiring Organisation
Peregrine
Location
Kidderminster, Worcestershire, West Midlands, United Kingdom
Employment Type
Permanent
Software Developer - SC cleared Permanent | Hybrid (willing to travel to Newcastle) | Python | AI | BPSS We are looking for Software Developers with strong Python and AI experience to work at an early stage alongside enterprise architects and senior engineers. You will help research, design and prototype the foundations … experience) AWS Services Active BPSS, SC clearance or eligible for clearance Desirable skills: Experience supporting AI or data driven platforms Knowledge of cyber security or fraud prevention domains Experience working within government or critical national infrastructure environments About Peregrine We build workforces that deliver tech and change programmes ...

Engineering Manager

Hiring Organisation
SR2
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£100000 - £110000/annum
role in defining how modern software is built, ensuring robust, scalable and secure systems are delivered in line with strict governance and security requirements. Key Responsibilities: Lead and grow a software engineering practice, defining standards, frameworks and ways of working Own engineering delivery across multiple workstreams … scalable software solutions Work closely with senior stakeholders to translate operational and business needs into technical delivery Drive engineering governance, ensuring alignment with security, compliance and architectural standards Mentor and develop engineers and technical leads, raising overall capability across teams Establish reusable engineering patterns, CI/CD pipelines ...

Platform Engineer

Hiring Organisation
Syntax Consultancy Limited
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Platform Engineer - CloudFormation or Terraform Leeds (Hybrid) Permanent £70,000- £75,000 + Benefits Platform Engineer needed with active SC Security Clearance and good experience Infrastructure as Code (IaC) tools such as CloudFormation or Terraform. for a permanent position in Leeds (Hybrid). Start ideally in May 2026. … scripting Experience with Linux commands and knowledge of troubleshooting web services Experience with AWS services - EC2, NLB, API Gateway, ASG, etc. Active SC Security Clearance used last 12 months. Government, GDS, GOV.UK domain experience is strongly preferred. Benefits : Salary 70k-75k (DOE) + Hybrid + Bonus + Pension ...

Software Configuration Analyst - US Citizens Only

Hiring Organisation
PROLIM Corporation
Location
California, United States
Employment Type
Permanent
Salary
USD Annual
Software Configuration Analyst for one of our top client in San Diego, CA US Citizenship is required in order to obtain and maintain security clearance Must be eligible to obtain a Secret Clearance; active Interim Clearance required to start. May be required to obtain higher level clearance. What … supporting scripting languages and database management. Experience with performing software builds and maintaining procedures. Citizenship is required in order to obtain and maintain security clearance Must be eligible to obtain a Secret Clearance; active Interim Clearance required to start. May be required to obtain higher level clearance. Preferred ...

Software Engineer

Hiring Organisation
Richmond Square Consulting Limited
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
clean, maintainable, well-structured code Participating in technical discussions, code reviews, and architecture conversations Collaborating with software engineers, architects, cloud engineers, DevSecOps, and security specialists Supporting engineering quality, continuous improvement, and knowledge sharing across the team Contributing to proof-of-concept work, experimentation, and technical innovation Helping translate … clearance Desired skills Existing SC clearance Experience in defence, secure technology, or other highly regulated environments Experience building secure applications or working in security-conscious environments Exposure to cloud platforms, APIs, mobile applications, or distributed systems Experience with modern architecture patterns and scalable software design Strong interest ...

Lead, Systems Engineer (Positions, Navigation, & Timing)

Hiring Organisation
L3Harris Technologies
Location
Greenville, Texas, United States
Employment Type
Permanent
Salary
USD Annual
substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment … subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with ...

Senior Sales Engineer

Hiring Organisation
Get2Talent
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
most critical organisations in addressing complex digital and infrastructure challenges. Through advanced visibility and insight at scale, they enable customers to improve security, enhance performance, and drive continuous innovation across their digital environments. We are currently seeking an experienced Sales Engineer to support the growth of UK Public … Cisco routing, switching, gateways, and network applications TCP/IP, SNMP, NetFlow, VoIP LAN/WAN architectures (MPLS, Frame Relay, ATM) Network security principles and infrastructure design Understanding of cloud and virtualisation technologies (SDN/NFV, public/private cloud) Familiarity with performance and monitoring tools (e.g. ArcSight ...

Senior Sales Engineer

Hiring Organisation
Get2Talent
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
most critical organisations in addressing complex digital and infrastructure challenges. Through advanced visibility and insight at scale, they enable customers to improve security, enhance performance, and drive continuous innovation across their digital environments. We are currently seeking an experienced Sales Engineer to support the growth of UK Public … Cisco routing, switching, gateways, and network applications TCP/IP, SNMP, NetFlow, VoIP LAN/WAN architectures (MPLS, Frame Relay, ATM) Network security principles and infrastructure design Understanding of cloud and virtualisation technologies (SDN/NFV, public/private cloud) Familiarity with performance and monitoring tools (e.g. ArcSight ...

Systems Administrator

Hiring Organisation
RedTech Recruitment Ltd
Location
East Anglia, UK
proactive nature in asking questions to expand your knowledge Proficient in scripting languages such as Python and Bash Understanding of networking protocols and security protocols Any experience with macOS environments and their administration would be helpful You must be in a position to qualify for SC Clearance … nature of some projects Responsibilities for Sys Admin: Set up, manage, and maintain Linux server environments, ensuring optimal performance and high availability. Apply security best practices across all systems, performing regular audits and updates. Support devices on Windows and macOS, ensuring smooth integration and functionality. Develop centralised administration ...

Systems Administrator

Hiring Organisation
RedTech Recruitment Ltd
Location
Saffron Walden, Essex, South East, United Kingdom
Employment Type
Permanent
proactive nature in asking questions to expand your knowledge Proficient in scripting languages such as Python and Bash Understanding of networking protocols and security protocols Any experience with macOS environments and their administration would be helpful You must be in a position to qualify for SC Clearance … nature of some projects Responsibilities for Sys Admin: Set up, manage, and maintain Linux server environments, ensuring optimal performance and high availability. Apply security best practices across all systems, performing regular audits and updates. Support devices on Windows and macOS, ensuring smooth integration and functionality. Develop centralised administration ...

Operational Systems Support Consultant (Monitoring & Tooling)

Hiring Organisation
F5 consultants
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent
Salary
£70,000
Operational Systems Support Consultant (Monitoring/Tooling) South West + UK Wide | Travel 1 Day/Week Up to £70,000+ Benefits SC Cleared/DV Eligible/Sole UK National We're hiring a Monitoring/Tooling specialist to support a major secure public sector programme. This … plus Travel 1 day per week on-site (South West + UK wide) Must be comfortable working in secure environments Clearance SC cleared or eligible DV eligibility required (UK residency & sole nationality) RSG Plc is acting as an Employment Agency in relation to this vacancy. ...

Cyber Software Engineer

Hiring Organisation
Sanderson Government and Defence
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£80,000
Cyber Software Engineer - National Security The successful applicant will join teams working at the forefront of AI/DS, Cyber, Cloud, DevOps/SRE and Platform Engineering. With long-term programmes secured across the latest frameworks, this position offers the chance to be part of an exciting growth … Cyber Software Engineer, the successful applicant will contribute to the research, design and development of critical systems in support of National Security missions. They will apply secure coding practices, maintain high standards of software quality and work closely with operating systems at a low level. Key Requirements * Strong ...

Senior C++ Developer - MCR

Hiring Organisation
Anson Mccade
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£75,000
advanced software solutions within a highly technical and innovative environment. This position offers the chance to work on complex systems that support national security and defence, within a team that combines deep technical expertise with cutting-edge research. The organisation operates with a start-up mindset while benefiting … complementary technologies (Python, Bash, etc.) Strong troubleshooting, analytical, and problem-solving skills Please note this role is subject to high level UK Security Clearance checks as such candidates must be willing and eligible ...

Software Engineer

Hiring Organisation
Hamiltonian Dynamics
Location
Gloucestershire, England, United Kingdom
Scheme Full time, permanent About Us Hamiltonian Dynamics is a start-up based in Gloucestershire and Manchester working in the Defence and Cyber Security industries. We are seeking a Software Engineer to join our growing technology team in our next phase of expansion. Tech Stack Exposure … that! We believe organic conversation is the best way to find out about someone. After all, recruitment is a two-way process! Security Clearance For this particular role, we require you to already hold a high level clearance. There is also a requirement to be on-site ...

Senior Software Engineer

Hiring Organisation
UK Telecoms lab
Location
Solihull, West Midlands, United Kingdom
Employment Type
Permanent, Part Time
Software Engineer, you'll be at the heart of projects that matter. Youll help design and shape the architecture of systems that support security testing and research that protects critical national infrastructure, influencing how we deliver secure and high-quality software. This is a hands-on technical role … practical. We actively recruit citizens of all backgrounds, but the nature of our work in this specific area means that nationality, residency and security requirements are more tightly defined than others. To work in this role, you will need to hold an SC clearance with no restrictions. ...