13 of 13 Permanent Security Cleared Jobs in Portsmouth

Cyber Security Consultant

Hiring Organisation
Oscar Associates (UK) Limited
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£50,000
Cyber Security Consultant | £40-52k DOE | Portsmouth (Hybrid) Are you passionate about cyber security and enjoy helping organisations solve complex security challenges? We're partnering with a growing consultancy that is looking to strengthen its cyber capability with the addition of a Cyber … Security Consultant. This is an opportunity to join a collaborative team delivering security and risk management services to clients operating in complex and highly regulated environments. You'll work closely with customers to understand their business risks, assess their cyber security posture, and deliver ...

Software Engineer C++

Hiring Organisation
Sirius Digital
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
benefits, pension (7% contribution), 25 days holiday & life insurance
internal BPSS check prior to gaining site access. Candidates will also need to either be willing and eligible or to undergo a Security Clearance check (SC level) or hold a current SC clearance upon starting their employment with the company. To gain SC clearance you will normally need ...

Senior Software Engineer

Hiring Organisation
Sirius Digital
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
benefits, pension (7% contribution), 25 days holiday & life insurance
gaining site access. Candidates will also need to either hold a current SC clearance or be willing and eligible to undergo a Security Clearance check (SC level) upon starting their employment with the company. To gain SC clearance you will normally need at least 5 years UK residency. ...

Principal Software Engineer

Hiring Organisation
Sirius Digital
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
benefits, pension (7% contribution), 25 days holiday & life insurance
gaining site access. Candidates will also need to either hold a current SC clearance or be willing and eligible to undergo a Security Clearance check (SC level) upon starting their employment with the company. To gain SC clearance you will normally need at least 5 years UK residency. ...

Customer Success Executive

Hiring Organisation
Novatech Ltd
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£28,000
ownership, enjoys solving problems and is motivated by contributing to both customer success and commercial growth. As this role works with defence customers, security clearance (such as SC and BPSS) is required, we will fund the process for you to obtain this. This role is ideal for someone ...

Business Development Manager

Hiring Organisation
Comoro
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£50000 - £65000/annum Uncapped OTC & Excellent Bens
customers. Either way, you’ll be confident navigating the sector and turning insight into opportunity. SC clearance is required, ideally you will be SC cleared now but the company will take you through the process if not. ...

Principal Systems Engineer

Hiring Organisation
Sirius Analysis Limited
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
benefits, pension (7% contribution), 25 days holiday & life insurance
technical knowledge in systems engineering within defence or similar high-integrity domains. Experience leading technical teams and projects within the defence, aerospace, or security sectors. Familiarity with defence acquisition frameworks Other Requirements: Candidates must have an existing right to live and work in the UK. Candidates must … willing to undergo an internal baseline personnel security standard check prior to starting their employment with the company. Candidates must be willing and eligible to complete a United Kingdom Security Vetting (UKSV) security clearance application to the Security Check (SC) level upon ...

Project Manager

Hiring Organisation
Sirius Digital
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£60,000
Candidates must have an existing right to live and work in the UK. Candidates must be willing to undergo an internal baseline personnel security standard check prior to starting their employment with the company. Candidates must be willing and eligible to complete a United Kingdom Security Vetting (UKSV) security clearance application to the Security Check (SC) level upon starting their employment with the company. To gain SC Clearance you will normally need at least 5 years' UK residency. ...

Senior Data Scientist

Hiring Organisation
Sirius Analysis Limited
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
benefits, pension (7% contribution), 25 days holiday & life insurance
Candidates must have an existing right to live and work in the UK. Candidates must be willing to undergo an internal baseline personnel security standard check prior to starting their employment with the company. Candidates must be willing and eligible to complete a United Kingdom Security Vetting (UKSV) security clearance application to the Security Check (SC) level upon starting their employment with the company. To gain SC Clearance you will normally need at least 5 years' UK residency. ...

Senior Systems Engineer

Hiring Organisation
Sirius Analysis Limited
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
benefits, pension (7% contribution), 25 days holiday & life insurance
Candidates must have an existing right to live and work in the UK. Candidates must be willing to undergo an internal baseline personnel security standard check prior to starting their employment with the company. Candidates must be willing and eligible to complete a United Kingdom Security Vetting (UKSV) security clearance application to the Security Check (SC) level upon starting their employment with the company. To gain SC Clearance you will normally need at least 5 years' UK residency. ...

Lead Security Architect

Hiring Organisation
17918
Location
Portsmouth, Hampshire, United Kingdom
Lead Security Architect (Defence DevSecOps and AI/ML) Location: Portsmouth Working model: Remote 50% and 50% onsite Start date: approx. 24/08/2026 Duration: 23/11/2026 Rate: £640 to £700 inside IR35 through an FCSA approved umbrella Active MOD SC clearance … sole UK Nationality is required for consideration. Mission: Own security architecture and the integration roadmap for AI/ML across multi-cloud and... WKCL1_UKTJ ...

Data Centre Engineer

Hiring Organisation
Matchtech
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£40000 - £50000/annum Pension, Healthcare & more
backed by 18th Edition Wiring Regulations. Comfortable with basic IT skills (including MS Word and Excel). Eligible for, or currently holding, National Security Clearance (SC Clearance). Flexibility to provide holiday and overtime cover to support your team when needed. Desirable Experience: If you have experience … client believes in rewarding hard work with a brilliant benefits package and a genuine focus on work-life balance and well-being. Financial Security: 5% matched pension, life assurance, and an attractive salary. Health & Well-being: Private healthcare coverage. Green Perks: Cycle-to-work scheme and an Electric ...

Electrical & Mechanical Engineer

Hiring Organisation
Matchtech
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£40000 - £50000/annum Pension, Healthcare & more
backed by 18th Edition Wiring Regulations. Comfortable with basic IT skills (including MS Word and Excel). Eligible for, or currently holding, National Security Clearance (SC Clearance). Flexibility to provide holiday and overtime cover to support your team when needed. Desirable Experience: If you have experience … client believes in rewarding hard work with a brilliant benefits package and a genuine focus on work-life balance and well-being. Financial Security: 5% matched pension, life assurance, and an attractive salary. Health & Well-being: Private healthcare coverage. Green Perks: Cycle-to-work scheme and an Electric ...