1 to 25 of 53 Security Cleared Jobs in Portsmouth

Security Architect

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
Security Architect (Defence DevSecOps & AI/ML) Portsmouth/Hybrid (3 days onsite) £645 per day Inside IR35 5-Month Contract Active SC or DV Clearance Required Are you an experienced Security Architect looking to shape the future of secure AI and cloud technologies within … Defence sector? We are looking for a Security Architect to join a high-profile defence programme, leading the design and assurance of secure AI/ML solutions across multi-cloud and edge environments. This is an opportunity to play a key role in delivering innovative capabilities while ensuring ...

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 ...

Platform Engineer

Hiring Organisation
Synergize Consulting Ltd
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Contract Platform Engineer (Security clearance essential) Portsmouth HQ (Fortnightly travel) Up to £580 p/d Inside IR35 Security clearance is essential We are looking to onboard an experienced Platform Engineer with a blend of technical leadership and hands-on delivery. The ideal candidate will … delivering modern platforms in regulated, security-sensitive environments and integrating AI/ML capabilities into production system Key skills Security cleared currently (We are not able to consider candidates with lapsed clearance) Extensive experience with DevSecOps, Python, Kafka, K8's, Docker, CI/ ...

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. ...

Service Delivery Manager

Hiring Organisation
Carbon 60
Location
Portsmouth, Hampshire, Southwick, United Kingdom
Employment Type
Contract
Description Job Title: NDH(D) Service Delivery Manager Contract: 12-month contract (potential for extension) Security: SC required or ability to obtain Purpose of the Role The Service Delivery Manager supports the delivery and continuous improvement of the NDH(D) service in alignment with ITIL v3 and Defence ...

QA and Test Automation Engineer

Hiring Organisation
Meritus Talent
Location
Portsmouth, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 per annum
Embed quality assurance practices across the software lifecycle including testing, verification and validation standards Ensure outputs meet customer acceptance criteria in regulated and security constrained environments Work closely with developers and engineers to identify issues early and improve overall system quality Contribute to continuous improvement of test processes ...

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. ...

Senior Software Engineer

Hiring Organisation
Spectrum IT Recruitment
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£70000 - £85000/annum Benefits
testing Modular, composable architecture design - N-tier and message-based systems Experience interfacing with hardware devices or real-time data Eligible for SC security clearance Onsite in Portsmouth/Havant (circa 30-person office). 40 hours over 4 days with some flexibility. Degree in Software Engineering ...

Lead Security Architect

Hiring Organisation
Henderson Scott
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£640.00 - £700.00 per day
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 … Qualifications 5+ years in Cyber Security, proven multi-cloud/edge architecture. Defence experience; familiarity with UK guidance; at least MOD SC cleared and UK Sole national. Certifications: CISSP (equivalent), TOGAF Key Attributes This role requires essential skills of adaptability and a pragmatic and positive attitude towards ...

Business Analyst

Hiring Organisation
SR2
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £470/day Outside IR35
collaborative digital team delivering business-critical projects within a fast-paced agile environment. Working within a secure government environment, applicants must have active Security Check (SC) clearance in order to apply. You'll play a key role in bridging the gap between technical teams and the wider business ...

Senior Software Engineer

Hiring Organisation
Spectrum IT Recruitment
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£70000 - £85000/annum Benefits
architecture Experience with real-time or streamed data in a desktop GUI N-tier and message-based architecture familiarity Eligible for SC security clearance Onsite in Portsmouth (circa 30-person office). 40 hours over 4 days with start/finish flexibility. Degree in Software Engineering or related ...

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 ...

CGEMJP - Platform Engineer

Hiring Organisation
CBSbutler Holdings Limited
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 558 Daily
Inside IR35) Location: Portsmouth (Hybrid - 2 days every other week on site, remainder remote) Contract: 6 months+ Clearance: Active SC Security Clearance required Overview We are seeking a Platform Engineer/DevOps Specialist to join a highly secure and complex engineering environment, supporting the modernisation and maturity uplift ...

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. ...

Product Manager

Hiring Organisation
SR2
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£475 - £525/day Outside IR35
continues to evolve in line with strategic objectives and user needs. Due to the nature of the work, applicants must already hold active Security Check (SC) clearance to be considered. You'll play a key role in leading product direction, working closely with senior stakeholders, technical teams ...

Systems Engineer EMC / TEMPEST

Hiring Organisation
Morson Edge
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£52.32 - 70.00 per hour + Inside IR35
sign off of electrical equipment installation, preferably with TEMPEST and/or EMC experience Verification, Validation & integration Transition to Operation Ability to safeguard security classified and/or export-controlled data. Desirable Preferred Industry Knowledge Knowledge in the following areas is preferred but not essential: Military ground site ...

Systems Engineer

Hiring Organisation
Morson Edge
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£60 per hour + Inside IR35
products and services. - This support spans all aspects of the system lifecycle. The successful candidate will be subject to UK National Security Clearance in order to undertake related work in accordance with business needs. Tasks and accountabilities Your main tasks and responsibilities will include (from concept development ...

Systems Engineer

Hiring Organisation
ARM
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£60/hour
industry! Due to the nature of the work you will be involved in, you will be required to obtain high-level MOD Security Clearance. You will be involved in: Support the Systems Engineering process, culture, competency and discipline, on day-to-day business activities, enabled by adequate Methods ...

Platform Engineer

Hiring Organisation
Experis
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £598/day
already or SC Eligible) Location: Portsmouth (Hybrid - 2 days every other week on site, plus remote working) Job Description: DevSecOps (continuous integration, automation, security scanning); Scripting: Bash/Linux/Python; Automation and containerisation; Solution based mindset; DevOps culture; Python; Apache Kafka; Kubernetes; Docker; CICD; Secure development … different stages of maturity. Technical environment Cloud environment : Which platform is primarily used (AWS, Azure, hybrid)? Hybrid DevSecOps expectations : How deep is the security element (e.g. security tooling, compliance requirements, air-gapped constraints)? Compliance requirements, air-gapped constraints, ITAR and special access compartment considerations. AI/ ...

Information Security Assurance Analyst

Hiring Organisation
Tria
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Permanent
Salary
GBP 53,000 - 55,000 Annual
Security Assurance Manager Up to 55,000 per annum 2x per month on site - Portsmouth We have a brilliant opportunity to join an industry-leading utility company based in the Southeast. They are going through a period of growth, undergoing multiple digital, and tech transformations. … Critical National Infrastructure provider, Information Security is an integral part of their business operation, so this role is critical to the business. We are looking for an Information Security Assurance Manager who will 'fly the flag' for Information Security, providing assurance to the leadership ...

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 ...

CGEMJP - Platform Engineer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 558 Daily
Inside IR35) Location: Portsmouth (Hybrid - 2 days every other week on site, remainder remote) Contract: 6 months+ Clearance: Active SC Security Clearance required Overview We are seeking a Platform Engineer/DevOps Specialist to join a highly secure and complex engineering environment, supporting the modernisation and maturity uplift … Work hands-on with Kubernetes, Docker, and containerised workloads Support and evolve platforms across AWS and Azure environments Implement secure development practices, including security scanning and compliance controls Contribute to platform modernisation and maturity uplift across two environments at different stages Operate within air-gapped and restricted access ...

CGEMJP00345529 - Platform Engineer

Hiring Organisation
CBSbutler Holdings Limited
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £558 per day + inside ir35
Inside IR35) Location: Portsmouth (Hybrid - 2 days every other week on site, remainder remote) Contract: 6 months+ Clearance: Active SC Security Clearance required Overview We are seeking a Platform Engineer/DevOps Specialist to join a highly secure and complex engineering environment, supporting the modernisation and maturity uplift … Work hands-on with Kubernetes, Docker, and containerised workloads Support and evolve platforms across AWS and Azure environments Implement secure development practices, including security scanning and compliance controls Contribute to platform modernisation and maturity uplift across two environments at different stages Operate within air-gapped and restricted access ...

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. ...