1,276 to 1,300 of 2,252 Security Cleared Jobs

Java DevOps Engineer

Hiring Organisation
Yolk Recruitment Limited
Location
Guildford, Surrey, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£65 - £70 per hour
standards * Writing unit and automated tests to support robust, production ready software * Taking part in design and code reviews with a focus on security, scalability and long term maintainability * Documenting solutions clearly and sharing knowledge across the team * Working closely with the Scrum team to meet sprint commitments … exposure using tools such as Tekton, ArgoCD or SonarQube * Container platforms such as Kubernetes or OpenShift * Quarkus framework * Front end development with Angular Security clearance This role requires the ability to obtain or already hold SC clearance. Candidates must be eligible to go through the clearance process. ...

Test & AI Evaluation Lead

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £550 to £750 per day depending on experience
validating AI-driven software, this role gives you genuine ownership and impact. You'll design and lead test approaches where correctness, resilience, and security matter as much as feature velocity. Working embedded with AI, Backend, Frontend, and DevOps, you'll shape how they validate agent behaviours, data pipelines … testing standards appropriate for agentic AI systems, including non-deterministic behaviour and probabilistic outputs. Ensure testing aligns with mission-critical, safety-conscious, and security-first delivery expectations. Act as the primary quality authority across projects, advising engineering and productleadership on risk and readiness. AI & Data-Focused Testing Design ...

Senior Product Engineer

Hiring Organisation
Specialist Computer Centres PLC
Location
Gloucester, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 550 Daily
design challenges. Drive innovation, continuous improvement, automation, and optimisation across Digital Workplace engineering practices. Ensure all solutions are delivered in line with security, architectural principles, operational standards, and compliance requirements. Contribute to technical governance, documentation standards, and engineering best practices. Champion a high quality engineering culture across … Specialist Devices: Proficient in managing Apple, Android, and macOS devices via Intune, and supporting AR/VR technologies, including Meta Quest for Business. Security Requirement: Candidates must be eligible to undergo BPSS clearance for this role. Certifications (Nice to Have) Microsoft Certified: Endpoint Administrator (MD 102) Microsoft Certified ...

Specialist, Technical Writer - Waco

Hiring Organisation
L3Harris Technologies
Location
Waco, 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 Network Engineer

Hiring Organisation
DXC
Location
Edinburgh & Lothians, Scotland, United Kingdom
Employment Type
Permanent, Work From Home
Network Engineering role focussed on implementation of remote Network services for a DXC secure Customer. Role focus will cover LAN, WAN, Firewall, and Security infrastructures, remotely, with a key focus on Cisco and Aruba. Expectation is the successful candidate will have 10 years proven work experience … servers and voice equipment. Conduct network testing, maintenance, and problem resolution. Perform network configurations and implement configuration changes on Routers, Switches, Firewalls and Security appliances. Documentation and Communication: Prepare network diagrams and documentation to reflect current Network operational status. Draft proposal documentation to address customer requirements. Collaborating with ...

Senior Network Engineer

Hiring Organisation
DXC
Location
Erskine, Renfrewshire, Scotland, United Kingdom
Employment Type
Permanent, Work From Home
Network Engineering role focused on implementation of remote Network services for a DXC secure Customer. Role focus will cover LAN, WAN, Firewall, and Security infrastructures, remotely, with a key focus on Cisco and Aruba. Expectation is the successful candidate will have 10 years proven work experience … servers and voice equipment. Conduct network testing, maintenance, and problem resolution. Perform network configurations and implement configuration changes on Routers, Switches, Firewalls and Security appliances. Documentation and Communication: Prepare network diagrams and documentation to reflect current Network operational status. Draft proposal documentation to address customer requirements. Collaborating with ...

Technical Lead

Hiring Organisation
Paradigm Tech
Location
City of London, London, United Kingdom
+ 15% bonus I am currently working with a brilliant consultancy with deep expertise in their field of Data and Cyber Security solutions, predominantly with Central Government organisations but they also have strong ties with Defence and Telco. They have experienced impressive growth over the last few years … TypeScript & React is highly desirable. Experience of designing scalable systems and working with CI/CD pipelines. Experience in data-driven applications, cyber security, or SaaS platforms is beneficial. This role requires SC clearance preferably you will already have this but otherwise due to the nature ...

Application Design Engineer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Bracknell, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£50000 - £55000/annum Benefits package
opportunity for a strong infrastructure/design engineer to broaden into architecture while working on mission-critical systems in a high-security environment. You'll help implement change, maintain availability, and support operational teams within a live, complex infrastructure landscape. What You'll Be Doing Identify and implement … vSphere RHEL & Windows Server Trellix SIEM platforms Microsoft Stack Active Directory DNS RDS Networking Citrix NetScaler Wireshark Storage NetApp SAN NAS Backup technologies Security & Gateway Gateway appliances and software PKI management applications Web applications and protocols What We're Looking For A proactive self-starter who can work ...

Solutions Architect

Hiring Organisation
Atos
Location
England, United Kingdom
APIs, and event-driven systems. Good understanding of AI concepts, architectures and integration patterns, including Agentic, MLOps and data pipelines. Good understanding of security & compliance requirements including how they are applied to solution design and delivery. Strong client-facing consulting skills, including workshop facilitation and hypothesis-led analysis. … ArchiMate modelling Public sector delivery experience or experience within a regulated industry. Additional Requirements: UK mobility required, with regular client-site engagement. Security clearance, or eligibility and willingness to obtain higher clearance. Working Model: Hybrid working model with a balance of client site, office, and home working. Benefits ...

Software Engineer

Hiring Organisation
MASS Consultants
Location
Corsham, Wiltshire, South West, United Kingdom
Employment Type
Permanent
Salary
£50,000
Office Products Mustbe eligible to work and live in the UK Mustbe eligible to undergo and maintain appropriate UK government Developed Vetting security clearance Desirables Knowledge of the Red Hat Linux or other Unix based operating system Competency in multiple programming languages Understanding of Object-Oriented Design … provide advanced, digital services that manage data and keep information safe. With our heritage in defence, we offer robust solutions to sectors where security expertise is essential. Wellbeing is at the core to our culture, allowingemployees to flourish and to achieve their full potential. Our people are important ...

Test Lead (Manager)

Hiring Organisation
Mastek
Location
City of London, London, United Kingdom
description: Test Lead (Manager) Location: Leeds or London, UK (3 days in office) SC Cleared: Good to Have Job Type: Full-Time Relevant Experience: 20 Years Lead Tester Role The Lead Tester ensures highquality digital products by shaping and leading testing practices across the Digital Delivery function. As part … test management methods and tools. Ability to embed operational resilience. Strong problem‐solving, communication, and collaboration skills. Understanding of technology, architecture, and security best practices. Strong stakeholder‐management skills. Desirable Experience in highly automated Agile environments. Experience coaching others. Additional Information Flexible working is available for this role. ...

Principal Vulnerability Researcher

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
advanced research and development initiatives. As Principal Vulnerability Researcher, you will conduct in-depth technical investigations across hardware and software systems to identify security vulnerabilities, develop bespoke tools, and contribute to the discovery and analysis of emerging threats. This role requires a strong technical foundation, problem-solving ability … enhanced DV clearance. Key Responsibilities Perform hardware and software teardowns, characterisation, and reverse engineering Conduct detailed analysis of platforms to identify security weaknesses, bugs, and potential exploits Examine network protocols and system behaviours to uncover vulnerabilities Collaborate with cross-functional teams to deliver innovative technical solutions and research ...

Systems Engineer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Reading, Oxfordshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 80 - 83 Hourly
Systems Engineer +SC cleared role +Hybrid working 2/3 days a week in Reading +Inside IR35 + 80 - 83 ph We are seeking an experienced Senior Systems Engineer to lead the delivery of model-based Product Security digital capabilities across a complex, regulated engineering environment. Reporting … will define and implement the reference architectures, toolchains and technical baselines that enable end-to-end traceability across the Digital Thread - from security objectives and threat modelling through to verification, validation and assurance evidence. This role replaces document-centric practices with authoritative, model-based security engineering ...

Transformation Consultant

Hiring Organisation
Experis UK
Location
City Of Bristol, England, United Kingdom
applicants must hold active UK SC or DV Clearance. Are you passionate about delivering complex digital transformation across major programmes within Defence, Security or Justice? Our client is growing it's Technology & Transformation practice and are looking for consultants with experience in digital delivery, programme transformation and stakeholder … engage senior stakeholders Support business development and proposition growth Essential Skills & Experience: Experience working in a digital delivery environment Industry experience within Defence & Security Experience delivering projects within large programmes, either in-sector or within consulting/professional services Commercial awareness in project delivery (e.g. supply chain risk ...

Automation Test Specialist

Hiring Organisation
Stealth IT Consulting Limited
Location
Telford, Shropshire, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £480 per day Inside IR35
Automation Test Specialist Location: Telford (2 days per week onsite) Duration: 6 months Rate: Up to £480 per day inside IR35 Clearance: SC required (must be active or eligible cannot start until approved) The Opportunity ...

Data Engineer - IBM DataStage

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£450 - £460 per day
Role: Data Engineer - IBM DataStage Location: Remote (UK-based only) Start: ASAP Duration: Contract running through to December 2026 Clearance: Active SC highly desirable (must be SC eligible at minimum) Rate: £460 per day (Inside ...

Infrastructure Specialist (AWS)

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £490 per day
Role: Infrastructure Specialist (AWS) Location: London (Hybrid) Duration: 12 Months Day rate: £490 Inside IR35 Candidates must have 5 years' continuous UK residency. Active SC clearance preferred. Required skills & experience: Proficient knowledge and experience in ...

Cloud Platform Network Engineer (Azure)

Hiring Organisation
Skillsbay Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £80000/annum
We are seeking an experienced Azure Network Engineer to design, implement and manage secure cloud networking across hybrid environments supporting mission-critical public sector platforms. This is a hands-on role within a secure, regulated ...

Siebel Technical Consultant is needed

Hiring Organisation
DWI Consulting Ltd
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
We are seeking an experienced Siebel Consultant. The role involves Siebel builds using the Modular Deployment Engine (MDE), enterprise configuration, and infrastructure administration. Candidates must have experience with Siebel WebSSO and reverse Proxy environments and ...

Front End Developer

Hiring Organisation
Certes IT Service Solutions
Location
London, United Kingdom
Employment Type
Contract, Work From Home
We are seeking an experienced Front End Developer to join a Central Government programme on an initial 6-month contract. You will be responsible for building and improving user-facing services that are secure, accessible ...

Linux Systems Engineer

Hiring Organisation
Data Careers
Location
Harrogate, North Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Linux Systems Engineer Permanent Location: Harrogate/Hybrid Salary: £60,000 - £80,000 (+ benefits) Skills: Linux, Python/Perl scripting, UKIC DV Clearance We are looking to recruit a Linux Systems Engineer for a ...

QA Tester (ITEC Data Exploitation) - Sage

Hiring Organisation
Experis
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £400/day
QA Tester (ITEC Data Exploitation) - Sage Rate:£400 Clearance Required: SC - Governing body SC is required Duration: 6 months Location: Telford - 2 days on site This is a hands-on technical QA Role, executing test ...

QA Tester (ITEC SOW6926) - Sage

Hiring Organisation
Experis
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
£290 - £350/day
QA Tester (ITEC Data Exploitation) - Sage Rate:£400 Clearance Required: SC - Governing body SC is required Duration: 6 months Location: Telford - 2 days on site This is a hands-on technical QA Role, executing test ...

Software Developer - IDMS - Tax - Contract - 6 months

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
£390 - £408/day
Software Developer - IDMS - Tax - Contract Telford - 2 days per month onsite 6-month Contract SC Clearance is required for this role Hiring for an experienced Software Developer/Engineer to join the Tax Admin team ...

Senior Technical Lead (Software Development)

Hiring Organisation
Roc Search Limited
Location
Bristol, Avon, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
Senior Technical Lead (Software) Central Bristol (Hybrid: 1-2 remote days per week after probation) Full-time (37.5 hours per week) £70,000-£80,000 DOE The Opportunity We're partnering with an innovative, high ...