Entasis Partners
Red Team Operator
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Senior Red Team Operator | Financial Services
Location: London (hybrid, 3 days on-site)
Engagement: Permanent
Package: £130-180k base + up to £50k bonus
Sponsorship: Unable to provide sponsorship for this position
A Senior Red Team Operator opportunity with a specialist financial services firm, embedded within an in-house Red Team that feeds directly into senior leadership's security decisions. You'll run adversary emulation operations end to end, from threat research through to custom tooling, for a business that takes its internal security extremely seriously.
About Our Client
A specialist financial services firm with security embedded deep in how it operates. The business runs an in-house Red Team as part of its wider security assurance programme, giving senior leadership independent insight into the security of the organisation's most important systems and processes. Engagement length and scope vary considerably, and each one probes a different mix of systems, processes and working assumptions. They are hiring to grow a small, tight-knit team that combines deep technical expertise with genuine business impact.
What You’ll Be Doing as a Senior Red Team Operator:
- Profiling threat actor groups and target environments, and mapping existing defensive controls, to build believable attack paths and bespoke operational plans.
- Building bespoke tooling and offensive tradecraft to support live operations, including new techniques and procedures as attacker methods evolve.
- Running simulated attack operations from start to finish, feeding into live decision-making and changing tack as new intel comes to light.
- Writing up and sharing lessons learned, tradecraft and operational security practices across the wider team.
- Acting as a go-to expert on new and emerging attacker techniques and offensive security trends.
- Helping evolve the team's tooling, playbooks and overall operational capability over time.
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What We’re Looking For From The Senior Red Team Operator:
- A solid track record in offensive security work, for example red teaming or computer network operations, ideally within financial services or technology.
- Sharp analytical thinking, strong organisation and clear communication, and a genuine eye for detail.
- A knack for spotting attack routes others miss, while staying true to how a real adversary would actually behave.
- Comfortable calling the right shots and getting things done when the picture keeps changing.
- Hands-on admin-level knowledge of both Windows 11 and Linux environments.
- A deep grasp of operational security and offensive tradecraft, including practical know-how on getting past or working around modern defensive tooling.
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Qualifications
- Strong scripting skills in PowerShell, Python or similar.
- Solid programming experience in C/C++, Go or C#.
Why Join?
- Highly competitive compensation, including an annual discretionary bonus.
- 30 days' annual leave and 9% employer pension contributions.
- Comprehensive healthcare and life assurance, plus a cycle-to-work scheme.
- Daily lunch and an on-site coffee bar, an informal dress code, and monthly company events that support a genuine work/life balance.
If this Senior Red Team Operator role is of interest, apply now or contact Patrick Okello at Entasis Partners for a confidential conversation.
Our Commitment
Entasis Partners is an equal opportunities employer, committed to building a diverse and inclusive environment for our clients and candidates. We welcome applications from everyone regardless of age, disability, gender reassignment, marriage or civil partnership, pregnancy or maternity, race, religion or belief, sex, or sexual orientation. If you need any reasonable adjustments at any stage of the process, please let us know and we will support you.
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