System Engineer - Networks 2089
Morson Edge
- London, England, United Kingdom
- London, England, United Kingdom
About
East London (Hybrid – office/home) Rate:
£450–£500 per day (Inside IR35) Duration:
Initial 3–4 month contract (backlog clearance) with strong potential for extension or permanent conversion Client Environment:
Major London Rail customers (TfL, Network Rail – station systems)
Overview We are seeking a
mid-to-senior Cybersecurity & Network Assurance Engineer
to join a high-performing networks team supporting critical rail infrastructure in London. This role will focus on
cybersecurity governance, assurance, and technical documentation , ensuring networked systems meet customer, regulatory, and industry standards. You will play a key role in clearing an immediate backlog of assurance deliverables while providing technical oversight to junior engineers and supporting SIEM integration activities. This is a
hybrid East London role
with no trackside/site access required.
Key Responsibilities Cybersecurity Governance & Assurance Produce and maintain: Cyber Security Management Plans (CSMP) Risk assessments and threat models Assurance and compliance documentation Control framework mappings Align artefacts to
client standards
(TfL / Network Rail) and industry frameworks Support continual improvement of cyber assurance processes Standards & Compliance Map controls and documentation to: ISO/IEC 27001 IEC 62443 (OT security) Customer-specific rail standards Ensure deliverables meet governance and audit requirements Network Security & Architecture Assurance Provide design assurance for: Secure communications Firewalls (e.g., Cisco, Juniper) Switching and routed network environments Assess effectiveness of implemented security controls in networked systems SIEM Integration Support Produce documentation for SIEM onboarding: Data source identification Logging requirements Use-case and control alignment Support assurance activities for SIEM integration (e.g., Microsoft Sentinel environments) Stakeholder & Team Engagement Act as a technical interface to client stakeholders Translate technical risk and assurance findings for non-technical audiences Provide guidance and quality oversight to junior engineers/graduate staff
Essential Experience Cybersecurity governance & assurance
in enterprise or critical infrastructure environments Proven delivery of: Risk assessments Threat modelling Cyber security management documentation Control framework mapping Strong knowledge of
ISO/IEC 27001
and
IEC 62443 Solid understanding of
network architecture and secure communications Experience assessing
firewalls, switching, and routed networks
from a security perspective Familiarity with
SIEM concepts and onboarding processes
(e.g., Microsoft Sentinel) Ability to produce clear, client-aligned technical documentation Experience working with stakeholders and presenting assurance outcomes
Desirable Experience Experience in
rail, transport, or OT environments Hands-on network configuration (Cisco, Juniper) Experience with
network management and policy enforcement tools Knowledge of
Windows Server architectures Prior contract/consulting experience Experience aligning to
customer templates or London-specific standards
Qualifications & Certifications HND, degree, or equivalent experience in IT, networking, or cybersecurity Cisco CCNA/CCNP (or equivalent experience) Security certifications such as
CISSP ,
CompTIA CySA+ , or similar (desirable) ITIL Foundation (desirable)
Clearance Must be eligible for
BPSS clearance
Key Behaviours Strong written and verbal communication skills Ability to operate at
mid-to-senior level with minimal supervision Comfortable guiding junior team members Able to work in a
governance, assurance, and documentation-heavy role Collaborative approach in a multi-stakeholder environment
TPBN1_UKTJ
Languages
- English
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