126 to 150 of 268 Security Cleared Jobs in Essex

with these colleagues in multi-disciplinary teams and to work on a wide range of data science topics for customers across the defence, security and commercial sectors as well as on internal BAE Systems AI programmes. You will also have the opportunity to maintain strong links with academic … Semantics Team. Knowledge, Skills and Experience: PhD qualified with at least 4 years' experience post PhD, ideally working in the Defence or National Security sectors. You will have experience of leading R&D teams with a minimum of 5 developers. You will have a strong record of securing … environment is essential. Desirable: Experience with one or more graph machine learning packages (PyTorch-Geometric, PyKeen etc.) and knowledge graph toolkits (Neo4j). Security Clearance Only those with the permanent and unrestricted right to live and work in the UK will be considered for a position within BAE More ❯

Software Engineer Exciting opportunity for an experienced Software Engineer to join an innovative stealth start-up in Saffron Walden who are tackling some of the world’s most pressing challenges. Joining a company founded by experts in their field, who More ❯

/CD tools like Jenkins, GitLab CI or GitHub Actions Strong scripting skills (e.g. Python, Bash) and working knowledge of APIs and microservices Security Clearance: Candidates must be eligible to pass Baseline Personnel Security Standard (BPSS) checks. Please call Edward Laing here at ISR Recruitment on More ❯

/CD tools like Jenkins, GitLab CI or GitHub Actions Strong scripting skills (e.g. Python, Bash) and working knowledge of APIs and microservices Security Clearance: Candidates must be eligible to pass Baseline Personnel Security Standard (BPSS) checks. Please call Edward Laing here at ISR Recruitment on More ❯

/CD tools like Jenkins, GitLab CI or GitHub Actions Strong scripting skills (e.g. Python, Bash) and working knowledge of APIs and microservices Security Clearance: Candidates must be eligible to pass Baseline Personnel Security Standard (BPSS) checks. Please call Edward Laing here at ISR Recruitment on More ❯

re hiring a Technical Team Lead for a cutting-edge company delivering secure, scalable software solutions to some of the UK’s most security-conscious organisations. If you’re a hands-on leader with a background in secure systems or government projects, this is a unique opportunity to … 80k + excellent benefits Remote-first, with access to hubs in London or Cheltenham Mission-led work – develop systems that directly support national security Work with Java, Spring Boot, AWS, Kubernetes, React Join a collaborative culture that values autonomy, growth, and innovation What You’ll Bring: Experience leading … Excellent communication and client engagement skills British passport (essential) This role would particularly suit someone who currently holds or has previously held UK security clearance and is familiar with the rigour of working on classified or sensitive systems. Due to the nature of the projects, we can only More ❯

re hiring a Technical Team Lead for a cutting-edge company delivering secure, scalable software solutions to some of the UK’s most security-conscious organisations. If you’re a hands-on leader with a background in secure systems or government projects, this is a unique opportunity to … 80k + excellent benefits Remote-first, with access to hubs in London or Cheltenham Mission-led work – develop systems that directly support national security Work with Java, Spring Boot, AWS, Kubernetes, React Join a collaborative culture that values autonomy, growth, and innovation What You’ll Bring: Experience leading … Excellent communication and client engagement skills British passport (essential) This role would particularly suit someone who currently holds or has previously held UK security clearance and is familiar with the rigour of working on classified or sensitive systems. Due to the nature of the projects, we can only More ❯

re hiring a Technical Team Lead for a cutting-edge company delivering secure, scalable software solutions to some of the UK’s most security-conscious organisations. If you’re a hands-on leader with a background in secure systems or government projects, this is a unique opportunity to … 80k + excellent benefits Remote-first, with access to hubs in London or Cheltenham Mission-led work – develop systems that directly support national security Work with Java, Spring Boot, AWS, Kubernetes, React Join a collaborative culture that values autonomy, growth, and innovation What You’ll Bring: Experience leading … Excellent communication and client engagement skills British passport (essential) This role would particularly suit someone who currently holds or has previously held UK security clearance and is familiar with the rigour of working on classified or sensitive systems. Due to the nature of the projects, we can only More ❯

SC Cleared Cloud Engineer (Level 3) | £550 - £575/day | 6-Month Contract | Hybrid (1 days/month in London) We're looking for an experienced Level 3 Cloud Engineer to provide vital support for a cloud-based Critical National Infrastructure (CNI) platform . If you're passionate about … for scalability, cost-efficiency & availability Essential Skills & Experience: Cloud & Infrastructure: AWS, Terraform/CloudFormation, Linux Admin, Nginx, Packer Collaboration Tools: Git, Jira, Confluence Security Clearance: Must be SC Clearable & Ideally NPPV3 Desirable Skills: Kubernetes, Docker, Hashicorp tools (Vault, Consul, Packer) Strong ability to define logical design & align infrastructure More ❯

SC Cleared Cloud Engineer (Level 3) | £550 - £575/day | 6-Month Contract | Hybrid (1 days/month in London) We're looking for an experienced Level 3 Cloud Engineer to provide vital support for a cloud-based Critical National Infrastructure (CNI) platform . If you're passionate about … for scalability, cost-efficiency & availability Essential Skills & Experience: Cloud & Infrastructure: AWS, Terraform/CloudFormation, Linux Admin, Nginx, Packer Collaboration Tools: Git, Jira, Confluence Security Clearance: Must be SC Clearable & Ideally NPPV3 Desirable Skills: Kubernetes, Docker, Hashicorp tools (Vault, Consul, Packer) Strong ability to define logical design & align infrastructure More ❯

SC Cleared Cloud Engineer (Level 3) | £550 - £575/day | 6-Month Contract | Hybrid (1 days/month in London) We're looking for an experienced Level 3 Cloud Engineer to provide vital support for a cloud-based Critical National Infrastructure (CNI) platform . If you're passionate about … for scalability, cost-efficiency & availability Essential Skills & Experience: Cloud & Infrastructure: AWS, Terraform/CloudFormation, Linux Admin, Nginx, Packer Collaboration Tools: Git, Jira, Confluence Security Clearance: Must be SC Clearable & Ideally NPPV3 Desirable Skills: Kubernetes, Docker, Hashicorp tools (Vault, Consul, Packer) Strong ability to define logical design & align infrastructure More ❯

Test Engineer - SC Cleared Birmingham/London 2 days per month. £350 - £400 Inside IR35 6 month contract AWS/Cypress/Selenium Please note: Candidates must hold current SC (Security Check) clearance. Our Digital team at Talent Consulting is working on an exciting digital transformation with More ❯

Test Engineer - SC Cleared Birmingham/London 2 days per month. £350 - £400 Inside IR35 6 month contract AWS/Cypress/Selenium Please note: Candidates must hold current SC (Security Check) clearance. Our Digital team at Talent Consulting is working on an exciting digital transformation with More ❯

Test Engineer - SC Cleared Birmingham/London 2 days per month. £350 - £400 Inside IR35 6 month contract AWS/Cypress/Selenium Please note: Candidates must hold current SC (Security Check) clearance. Our Digital team at Talent Consulting is working on an exciting digital transformation with More ❯

My client is a global leading Digital Consultancy specialising in Cloud Adoption, Digital Architecture/Transformations & NextGen AI Solutions, with offices in London, Manchester, Newcastle and Glasgow (offering a 'flexi working model' of remote first or hybrid + ad hoc More ❯

My client is a global leading Digital Consultancy specialising in Cloud Adoption, Digital Architecture/Transformations & NextGen AI Solutions, with offices in London, Manchester, Newcastle and Glasgow (offering a 'flexi working model' of remote first or hybrid + ad hoc More ❯

Principal Offensive Security Consultant 📍 UK-Based | 🌍 Some International Travel | 🛡 Security Clearance Required Green is hiring a Principal Consultant to launch and lead our Clients' Offensive Security capability. This is a rare opportunity to shape a new service offering within a fast-growing, agile cyber … consultancy working with UK and international clients. You’ll join a high-performing Threat Operations team, delivering advanced offensive security services—penetration testing, phishing simulations, code reviews—and play a key role in shaping how they support their clients' evolving needs. 🔍 What You’ll Do Lead the creation … and delivery of our clients' offensive security services Perform penetration testing, code reviews, phishing simulations, and assessments Travel internationally to support partner nations with cyber capability development Design and deliver bespoke training and mentoring packages Collaborate across the Threat Operations team to share insights and strengthen their cyber More ❯

Principal Offensive Security Consultant 📍 UK-Based | 🌍 Some International Travel | 🛡 Security Clearance Required Green is hiring a Principal Consultant to launch and lead our Clients' Offensive Security capability. This is a rare opportunity to shape a new service offering within a fast-growing, agile cyber … consultancy working with UK and international clients. You’ll join a high-performing Threat Operations team, delivering advanced offensive security services—penetration testing, phishing simulations, code reviews—and play a key role in shaping how they support their clients' evolving needs. 🔍 What You’ll Do Lead the creation … and delivery of our clients' offensive security services Perform penetration testing, code reviews, phishing simulations, and assessments Travel internationally to support partner nations with cyber capability development Design and deliver bespoke training and mentoring packages Collaborate across the Threat Operations team to share insights and strengthen their cyber More ❯

Principal Offensive Security Consultant 📍 UK-Based | 🌍 Some International Travel | 🛡 Security Clearance Required Green is hiring a Principal Consultant to launch and lead our Clients' Offensive Security capability. This is a rare opportunity to shape a new service offering within a fast-growing, agile cyber … consultancy working with UK and international clients. You’ll join a high-performing Threat Operations team, delivering advanced offensive security services—penetration testing, phishing simulations, code reviews—and play a key role in shaping how they support their clients' evolving needs. 🔍 What You’ll Do Lead the creation … and delivery of our clients' offensive security services Perform penetration testing, code reviews, phishing simulations, and assessments Travel internationally to support partner nations with cyber capability development Design and deliver bespoke training and mentoring packages Collaborate across the Threat Operations team to share insights and strengthen their cyber More ❯

with these colleagues in multi-disciplinary teams and to work on a wide range of data science topics for customers across the defence, security and commercial sectors as well as on internal BAE Systems AI programmes. You will also have the opportunity to maintain strong links with academic … Semantics Team. Knowledge, Skills and Experience: PhD qualified with at least 4 years' experience post PhD, ideally working in the Defence or National Security sectors. You will have experience of leading R&D teams with a minimum of 5 developers. You will have a strong record of securing … secure environment is essential. Desirable: Experience with one or more graph machine learning packages (PyTorch-Geometric, PyKeen etc.) and knowledge graph toolkits (Neo4j) Security Clearance Only those with the permanent and unrestricted right to live and work in the UK will be considered for a position within BAE More ❯

My client is a global leading Digital Consultancy specialising in Cloud Adoption, Digital Architecture/Transformations & NextGen AI Solutions, with offices in London, Manchester, Newcastle and Glasgow (offering a 'flexi working model' of remote first or hybrid + ad hoc More ❯

Excellent communication skills in English As the role will entail working with multiple clients and regular travel is required. Must be eligible for Security Check (SC) level security clearance. More ❯

Excellent communication skills in English As the role will entail working with multiple clients and regular travel is required. Must be eligible for Security Check (SC) level security clearance. More ❯

Excellent communication skills in English As the role will entail working with multiple clients and regular travel is required. Must be eligible for Security Check (SC) level security clearance. More ❯

NB: Due to the nature of this role within National Security, this role requires you to be eligible to obtain Enhanced Developed Vetting (EDV) clearance - This requires British Citizenship and 10 years of continuous residency in the UK. Are you a SysAdmin or Support/Ops Engineer with … experience in Defence or National Security? How would you feel about the opportunity to evolve your skillset into the DevOps/SRE stack, deploying to test & live operational environments within Defence Tech & National Security? Our client is one of the foremost Solution Providers to the National … Security space - Due to ambitious growth plans over the next few years, they're seeking Engineers across multiple disciplines to join their respective teams in Hampshire or Gloucestershire These are client-facing toles that involve Proactive maintenance of critical environments, working closely with development teams to deliver cutting More ❯