Cyber Security Consultant – SbD Job at London Full Time NEW

Cyber Security Consultant – Secure by Design | £42-52k | Portsmouth, Hybrid | SC ClearanceAre you a cyber security professional with a background in defence and a strong grasp of how Secure by Design should work in practice – not just in theory?A specialist consultancy with a strong reputation in the defence and government space is looking to bring on a Cyber Security Consultant to support their growing portfolio of MOD-facing work. This is a genuine opportunity to do meaningful, technically credible work in an environment that values expertise over headcount.Salary:

£42-52k DOEPackage:

Gym, private medical, company pensionWorking Structure:

Hybrid in Portsmouth ~2 days onsiteSecurity Clearance:

Eligibility or active SC clearanceThe Role:This position has two distinct dimensions. On one hand, you’ll be conducting structured assessments – evaluating how well Secure by Design principles are being embedded across defence programmes and producing clear, evidence-backed findings. On the other, you’ll be working alongside programme teams to help them act on those findings, guiding them through the practicalities of building security in from day one rather than retrofitting it later.Day to Day You’ll Be:Assessing how Secure by Design principles are being applied across programmes and systems, and producing well-evidenced findings and recommendationsReviewing system designs, architectures, and change proposals to identify where security hasn’t been adequately consideredSupporting client teams in embedding SbD into their ways of working from the outsetEvaluating risk ownership and escalation practices, helping stakeholders understand where accountability is unclear or gaps existProducing security cases, assessment reports, and assurance documentation to a high standardHelping develop practical SbD guidance and processes that client teams can realistically use day to daySupporting broader assurance activity including assessments against the CAFCommunicating clearly with technical and non-technical stakeholders, ensuring findings are understood and acted upon at every levelContributing to proposal writing, business development conversations, and the ongoing development of the consultancy’s SbD service offeringWhat You’ll Need:A solid working knowledge of MOD Secure by Design principles and how they apply across the defence acquisition and system lifecycleAround 2-3 years of hands-on experience in cyber security risk assessment, security architecture review, or security assuranceThe confidence to work within client organisations, build relationships, and influence without direct authorityEligibility to obtain SC clearance, requiring at least 5 years continuous UK residencyA full UK driving licence and willingness to travel to client sites approximately two days per week.Desired but not essential:Practical experience applying MOD SbD principles within defence programmesExperience working in defence or wider public sector cyber security environmentsFamiliarity with the CAF, NCSC guidance, GovAssure, or related frameworksA professional certification such as CISMP or CCP, or active progress towards CISSP or CISMA cyber security related degree or equivalent professional developmentApply now or reach out directly for a confidential conversation.Oscar Associates (UK) Limited is acting as an Employment Agency in relation to this vacancy.To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website.

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