5,126 to 5,150 of 5,481 Permanent Security Cleared Jobs

Principal Systems Engineer - Requirements Development/Requirements Management (Top Secret)

Hiring Organisation
Raytheon
Location
Tucson, Arizona, United States
Employment Type
Permanent
Salary
USD Annual
Hermans Rd BLDG 805 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: Top Secret - Current Security Clearance Status: Active and existing security clearance required on day 1 At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world ...

Hybrid Systems Engineer — Jira & Demand Management

Location
Fareham, England, United Kingdom
Whiteley, with two to three days per week on site and the rest remote. Initial six months with hybrid working and BPSS-ready security clearance as needed. The role focuses on coordinating demand, improving processes and maintaining dashboards to inform delivery across projects and sustainment teams. #J ...

UK Customer Engagement Lead, Cyber & Defense Tech

Location
Greater London, England, United Kingdom
field-engineering component to demonstrate Trenchant products and support customer missions. The role combines strategic direction with hands-on technical enablement and requires security-clearance eligibility and a track record in defense/intelligence tech #J-18808-Ljbffr ...

Defence P6 Project Controller (SC) | MSP Scheduling

Location
Hounslow, England, United Kingdom
Scheduling to support decision-makers with accurate information. The position emphasizes development of Overseas Project PO, programme trackers, and governance processes, with mandatory Security Clearance (SC) and regular EU travel to provide on-site support. #J-18808-Ljbffr ...

IPMS Programme Lead - Maritime Defence

Location
Barrow-in-Furness, England, United Kingdom
relationships. As a Programme Engineering Lead, you will shape engineering strategy, support technical bids, and ensure governance across disciplines, with hybrid working and security-clearance considerations central to daily #J-18808-Ljbffr ...

GenAI Full-Stack Engineer — Consultant (POCs to Production)

Location
Manchester, England, United Kingdom
frameworks, LangChain, and cloud platforms. The role offers hybrid working, opportunities to grow in GenAI, and exposure to client-facing engagements. A security clearance or eligibility is required. #J-18808-Ljbffr ...

FPGA Engineer - Real-Time DSP & High-Speed Interfaces

Location
England, United Kingdom
Roke Manor Research Limited in Gloucester, United Kingdom, is seeking an FPGA Engineer for the National Security Business. The role focuses on advanced FPGA design, DSP algorithms, hardware interfacing, and system integration within a mission‐critical environment. You will design and optimize real‐time DSP solutions, develop high ...

Data Engagement Lead for Enterprise Data Transformation

Location
Greater London, England, United Kingdom
deliver complex enterprise data programmes. You will guide clients through large-scale modernisation initiatives while leading multidisciplinary teams. This hybrid role requires UK Security Clearance eligibility and offers a collaborative environment. Join CGI to contribute to trusted data capabilities and long-term business success, with competitive salary, pension ...

Systems Engineer - Level 2 or 3 (AHT)

Hiring Organisation
Northrop Grumman
Location
Redondo Beach, California, United States
Employment Type
Permanent
Salary
USD Annual
Master's degree in STEM (Science, Technology, Engineering, Math) discipline -Candidate must be a U.S. Citizen , have an active U.S. Government Top Secret security clearance (or equivalent) at time of application and prior to start date, and have the ability and willingness to obtain and maintain an active … Engineering, Math) discipline with 1+ year(s) of engineering experience -Candidate must be a U.S. Citizen , have an active U.S. Government Top Secret security clearance (or equivalent) at time of application and prior to start date, and have the ability and willingness to obtain and maintain an active ...

Cloud Solutions Architect for Digital Transformation

Location
Reading, England, United Kingdom
govern scalable architectures in hybrid and cloud environments. We value strong consulting and advisory skills, ability to influence senior stakeholders, and comfort with security clearance requirements. Hybrid working model in the UK. #J-18808-Ljbffr ...

GenAI Full-Stack Engineer — Consultant (POCs to Production)

Location
Glasgow, Scotland, United Kingdom
frameworks, LangChain, and cloud platforms. The role offers hybrid working, opportunities to grow in GenAI, and exposure to client-facing engagements. A security clearance or eligibility is required. #J-18808-Ljbffr ...

GenAI Full-Stack Engineer — Consultant (POCs to Production)

Location
Greater London, England, United Kingdom
frameworks, LangChain, and cloud platforms. The role offers hybrid working, opportunities to grow in GenAI, and exposure to client-facing engagements. A security clearance or eligibility is required. #J-18808-Ljbffr ...

IVVQ Engineer – Naval Combat Systems, End-to-End Lead

Location
Dunfermline, Scotland, United Kingdom
from lab to sea trials, interfacing with customers and end users. The role offers exposure to a flagship Royal Navy programme (Type 31), security clearance requirements, and opportunities to influence system performance while working within a defence environment. #J-18808-Ljbffr ...

Senior Forward Deployment Engineer - AI, Cloud & Data

Location
United Kingdom
production. The role spans software, AI, data, cloud and platforms, offering ownership of meaningful engineering challenges. This is a hybrid position with UK security clearance or eligibility required. #J-18808-Ljbffr ...

Defense Information Assurance Engineer

Location
Warminster, England, United Kingdom
will support the MoD Secure by Design framework and help produce IA artefacts across the project lifecycle. The role requires strong information security knowledge, clear communication with technical and non-technical stakeholders, and willingness to travel within the UK; SC or above clearance is preferred. #J-18808-Ljbffr ...

Senior Cloud Reliability & Operations Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
help build new processes and procedures to keep Oracle Cloud highly available. The role involves working on government projects in Northern Ireland with security clearance requirements and a rotation across day and night #J-18808-Ljbffr ...

Power Supply Design Engineer

Hiring Organisation
Hunter Selection
Location
Gatwick, West Sussex, Surrey, United Kingdom
Employment Type
Permanent
Salary
£50000 - £70000/annum 22 days holiday + BH, relocation sup
paperwork Product testing Knowledge, Skills & Experience: 6 years+ experience within power design and electronics Hands on experience Good communication and teamwork skills Hold security clearance, or be eligible to pass security clearance "To apply please email your CV/resume to [ (url removed) ]". - Rebecca Speich ...

Principal Software Engineer - Embedded C/C++ for Defence

Location
Basildon, England, United Kingdom
using innovative C/C++ software across defence projects, collaborating with a world‐class team to continuously improve and deliver market‐leading products. Security clearance eligibility is required. You will work in a hybrid setup, engaging with systems, hardware, and firmware teams to ensure coherent integration and #J ...

Backend Engineer: Scalable Distributed Systems

Location
Greater London, England, United Kingdom
technical teammates to solve customer problems, build high-performance data processing pipelines, and contribute to open-source libraries, with emphasis on security clearance readiness and cloud infrastructure #J-18808-Ljbffr ...

Aerothermal Engineer: Gas Turbine Systems & CFD

Location
West of England, England, United Kingdom
strong numerate, analytical mindset, collaboration with cross-functional teams, and experience with Rolls-Royce analysis tools. A UK-based position with possible security clearance requirements. #J-18808-Ljbffr ...

Defence Data Fusion Product Manager (SC)

Location
Greater London, England, United Kingdom
fusion platform. This role focuses on operational implementation bridging tactical edge sensors in low-bandwidth environments with strategic HQ analytics. The position requires security clearance (SC) and British citizenship, and involves travel to client sites with possible travel across the UK. Start ASAP, 2–3 days on site. ...

Systems Engineer (LR08)

Location
Whiteley, England, United Kingdom
Office 365 suite. Membership of a relevant professional institution, professional registration or INCOSE certification. We support flexible working. This Whiteley-based role requires security clearance, travel to Ministry of Defence bases and other sites, occasional overseas travel, and occasional weekend working. Benefits Core Benefits 201 hours (approx. … Lifestyle Enhanced Maternity pay Enhanced Paternity leave & pay Enhanced Occupational Sick pay Mental Health First Aiders Recognition through Altair Award Employee referral bonus Security Clearance Statement Due to the nature of the work that we do, many of our roles are subject to security restrictions. This ...

Systems Engineer II- Onsite

Hiring Organisation
Raytheon
Location
Tewksbury, Massachusetts, United States
Employment Type
Permanent
Salary
USD Annual
Apple Hill Dr ASSABET BLDG Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some ...

Strategic Solution Architect – National Policing CTO Office

Location
Greater London, England, United Kingdom
solutions with real-world impact, acting as a trusted deputy to the CTO on solution matters. The role is hybrid and requires UK Security Clearance or eligibility, with travel to London when required. CGI offers a competitive salary, private healthcare, a pension, and a share scheme. #J ...