Information Security Engineer - Classified Systems
Lockheed MartinAmpthill, England, United Kingdom
Added 18 Aug · still live
Not disclosed
Salary
Not disclosed by employer
£41,700
Going rate
Skilled Worker going rate
This role may qualify for a Skilled Worker visa
SOC 5245 is an eligible occupation, but we classified this role with low confidence (49% match). If the code is right — and Lockheed Martin is a licensed sponsor — it should qualify, but double-check the occupation eligibility rules against the actual role.
About the role
About The Role
Reporting to the EMEA Information Security Officer, the Information Security Engineer will be responsible for the security engineering, accreditation, and lifecycle assurance of classified and sensitive IT systems. The role will support the design, implementation, operation, and continuous improvement of secure IT environments, ensuring compliance with UK Government, MoD, and Lockheed Martin security requirements.
The successful candidate will work closely with programme teams, architects, infrastructure engineers, accrediting authorities, and information assurance stakeholders to ensure security is embedded throughout the system lifecycle.
Key Responsibilities
Reporting to the EMEA Information Security Officer, the Information Security Engineer will be responsible for the security engineering, accreditation, and lifecycle assurance of classified and sensitive IT systems. The role will support the design, implementation, operation, and continuous improvement of secure IT environments, ensuring compliance with UK Government, MoD, and Lockheed Martin security requirements.
The successful candidate will work closely with programme teams, architects, infrastructure engineers, accrediting authorities, and information assurance stakeholders to ensure security is embedded throughout the system lifecycle.
Key Responsibilities
- Lead the implementation of Secure by Design principles across classified IT systems and projects.
- Provide security engineering expertise throughout the system development and operational lifecycle, ensuring security requirements are identified and implemented from concept through disposal.
- Conduct security architecture reviews, threat assessments, and technical risk analysis for classified environments.
- Support the development and maintenance of system security documentation, security architectures, and security operating procedures.
- Lead and coordinate system accreditation activities for classified and sensitive systems.
- Develop and maintain accreditation artefacts including Risk Management and Accreditation Documentation Sets (RMADS), Security Cases, Security Management Plans, and supporting evidence.
- Work with Accreditors, Security Controllers, and customer security representatives to obtain and maintain Authority to Operate (ATO) approvals.
- Ensure continued compliance with applicable regulatory, contractual, and customer security requirements throughout system operation.
- Identify, assess, and mitigate cybersecurity risks within classified IT environments.
- Conduct security assessments, vulnerability reviews, and compliance audits against corporate and government security standards.
- Strong understanding of Microsoft Windows Server, Linux operating systems, virtualisation technologies, and enterprise networking.
- Experience securing classified, air-gapped, or highly regulated IT environments.
- Knowledge of cloud security principles including AWS, IaaS, and PaaS technologies where applicable.
- Familiarity with security technologies including endpoint protection, SIEM, vulnerability management, encryption, and identity management solutions
- Demonstrable experience applying Secure by Design principles in complex IT systems and programmes.
- Experience conducting security architecture reviews, threat modelling, and risk assessments.
- Strong understanding of system hardening, security controls implementation, and security testing methodologies.
- Experience supporting system engineering and security requirements management within regulated environments.
- Proven experience developing accreditation evidence and security assurance documentation.
- Experience obtaining and maintaining Authority to Operate (ATO) approvals for classified or regulated systems.
- Knowledge of UK Government and MoD accreditation processes and assurance frameworks.
- Experience working directly with accrediting authorities, security controllers, or customer assurance organisations.
- Excellent written and verbal communication skills.
- Ability to communicate technical security concepts to both technical and non-technical stakeholders.
- Strong analytical and problem-solving skills.
- Ability to work independently while supporting multiple programmes and stakeholders.
- CISSP, CISM, or equivalent Information Assurance certification.
- Degree in Cyber Security, Information Security, Computer Science, Engineering, or a related discipline.
- Experience within Defence, Aerospace, Government, or National Security sectors.
- Knowledge of UK Government Security Policy Framework (SPF), NCSC guidance, JSP 440, and Defence security requirements.
- Understanding of GDPR and UK Data Protection Act requirements where applicable.
- Ability to obtain and maintain UK Security Check (SC) clearance with willingness and eligibility to achieve Developed Vetting (DV) clearance.
- Occasional UK and EMEA travel may be required.
This description is the source posting as it read when we added it. We are not affiliated with Lockheed Martin, so check their own site for the current details.
Where this offer sits in the market
SOC 5245 · UK · ONS ASHE 2025 · ~8k in sampleP25 £32k~P75 £46k
£32kmedian £39kgoing rate £42k£46k
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About sponsorship for this role
Does this job guarantee visa sponsorship?
Not necessarily. Lockheed Martin holds a sponsor licence, but sponsorship for a specific hire is always the employer's decision. Be upfront in your application that you'll require it.
What salary is needed for this role to be eligible?
The offer must clear both the general threshold and the SOC 5245 going rate of £41,700. New-entrant and shortage discounts can lower it.