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Role: Cyber Security Assurance Specialist Salary/Rate: £45-55 per hr inside IR35 Location: Hybrid, near Oxford 3x per week Contract Duration: until December 2026 We are currently looking for a Cyber Security Assurance Specialist for our government client. This Cyber Security Assurance Specialist role is hybrid, based between working 3 days per week on site in Abingdon Oxfordshire and the remainder of the week working remotely. There is no further flexibility with the on-site requirement. The contract for this Cyber Security Assurance Specialist position is until December 2026, with potential to extend, operating inside IR35. Security Clearance: eligible for Security Check ("SC Clearance") This role is inside IR35 - Due to the service of the role, it will now be based on an Umbrella solution. Essential skills/experience required: • Demonstrable experience in designing and implementing secure infrastructure or cloud architectures., • Proven experience with risk assessment methodologies and maintaining enterprise risk registers., • Working knowledge of risk assessment methodologies (e.g. ISO 31000, FAIR, OWASP risk rating)., • Strong understanding of Gov Assure, CAF, ISO 27001, Cyber Essentials, and NIST frameworks., • Experience conducting or supporting security audits and implementing remediation plans., • Proficiency in assessing and securing platforms such as Entra ID (Azure AD), Microsoft 365 E5, Azure IaaS/PaaS, Windows/Linux/Unix., • Strong knowledge of security tooling such as SIEM, endpoint detection (EDR/XDR), and vulnerability management platforms., • Hands-on experience with policy development, access control models and logging standards., • Experience supporting assurance activities or government-mandated reviews (e.g. GovAssure, Secure by Design)., • Knowledge of Incident Management, Vulnerability Assessments, SIEM & SOC Systems., • Familiarity with ITSM workflows and change control procedures, • Experience designing or reviewing secure software supply chain and CI/CD security., • Ability to interpret CVEs, CVSS scores, and threat intelligence feeds., • Strong stakeholder engagement and communication skills with an ability to produce technical reports and articulate risk to non-specialists., • Conduct technical risk assessments on IT/OT/cloud systems, • Provide secure design guidance to digital projects (cloud/infra/app), • Maintain and update the security risk register quarterly, • Evaluate 2 critical technical changes for architectural risk (e.g., network reconfig, app onboarding), • Document evidence gathering and remediation planning for Secure-by-design,CAF and GovAssure, • Conduct internal technical assurance reviews aligned to GovAssure/CAF/ISO27001 domains, • Maintain traceability of security controls to frameworks (NIST, CE+, NCSC),, • Evaluate Suppliers against internal and external risk criteria for Assurance., • Contribute to the adoption of Zero Trust principles in platform design, • Provide secure-by-design input into infrastructure/cloud/app initiatives, • Define security control templates for new deployments (e.g., SaaS, Azure service, OT upgrade), • Deliver knowledge sessions to technical teams (secure config, threats, compliance), • Develop secure configuration guidance for platforms (e.g. Entra ID, Linux, M365), • Represent Cyber Security in architecture/design authorities, • Produce and maintain technical security reports for assurance cycles, • Support compliance audit evidence packs (GovAssure/CAF, CE+, ISO 27001), • Develop or update security standard documents (e.g. threat modelling, vulnerability mgmt), • Support cyber input for IT, research or OT programmes, • Work with IT teams to co-author and test secure configuration standards and playbooks, • Support security policy application in hybrid cloud, infra, and app settings Should you require reasonable adjustments at any point during the recruitment process or if there is a better way for us to communicate, please do let us know. Security, Cyber, Infosec, Information Security, GRC, Assurance, Compliance, Risk, Vulnerability Circle Recruitment is acting as an Employment Agency in relation to this vacancy. Earn yourself a referral bonus if you refer somebody else who fills the role! We also offer an iPad if you refer a new client to us and we recruit for them. Follow us on Facebook - Circle Recruitment , Twitter - @Circle_Rec and LinkedIn - Circle Recruitment.

OT Cyber Security Specialist (Contract) Location: Hybrid – 3 days onsite (Oxfordshire), remainder remote Day Rate: £400-£450 per day (Outside IR35) Start Date: ASAP Clearance: SC required Hours: 37.5 per week (typically 9:00am–5:30pm) Overview We are supporting a leading UK organisation within the advanced engineering and research sector, seeking an OT Cyber Security Specialist to play a key role in building and maturing their Operational Technology (OT) security capability. This is a greenfield opportunity to shape and implement OT security strategy, frameworks, and governance across complex industrial environments. Key Responsibilities • Lead the design and delivery of the OT Security Strategy, including policies and standards, • Establish governance processes aligned to enterprise security frameworks, • Conduct OT risk assessments and gap analyses against recognised standards (e.g. IEC 62443, NIST CSF, CAF), • Identify and oversee implementation of security controls across OT environments, • Provide technical oversight when working with managed service providers and third-party vendors, • Collaborate with enterprise security teams to align OT and IT security initiatives, • Support OT incident response, including coordination with SOC teams where applicable, • Mentor junior team members and contribute to capability development, • Track and report on OT security maturity and roadmap progress Essential Experience • Proven experience developing and maturing OT security within ICS or critical infrastructure environments, • Strong background in defining and implementing OT security strategies, policies, and standards, • Deep understanding of OT security frameworks (IEC 62443, NIST CSF, CAF, ISO 27001), • Experience conducting OT risk assessments, gap analysis, and remediation planning, • Knowledge of OT networks, segmentation, and industrial protocols, • Experience working closely with engineering and operational teams, • Ability to oversee third-party vendors and managed security services, • Strong documentation and stakeholder communication skills Desirable Experience • Experience in solution architecture, • Familiarity with SIEM/SOC integration in OT environments, • Experience with OT asset discovery and monitoring tools, • Knowledge of regulatory frameworks within critical infrastructure (e.g. NIS), • Experience contributing to working groups or acting as a subject matter expert. Please apply with an up to date version of your CV for immediate consideration.

An excellent opportunity has arisen to join a global leader in advanced semiconductor technologies. This role offers the chance to work on cutting-edge 5nm designs, supporting the latest PCIe interfaces, protocols, and NAND flash solutions. While part of a large international organisation, the UK site operates with the feel of a fast-moving startup but with the stability and backing of a major company. The team builds on over a decade of SSD design expertise, applying a proven methodology that combines RTL design with high-speed microcode engines—delivering flexibility to meet new requirements while minimising the risk of re-spins. The ASIC team is involved in every stage of the development flow—from requirements capture and architecture through to development, verification, tape-out, and post-silicon support. This provides excellent opportunities both for engineers looking to broaden their skills across the full lifecycle and for those who want to specialise in areas such as UVM-based verification. As a Verification Engineer, you will join an industry-leading SoC development team tackling complex design challenges including high-speed interfaces, high-performance accelerators, and multi-CPU architectures. Team responsibilities span SoC architecture, RTL design, verification, synthesis, FPGA prototyping, and validation. Why Oxfordshire? Oxfordshire offers a fantastic quality of life, combining a world-renowned university city with beautiful countryside. With excellent schools, cultural attractions, and easy access to London and Heathrow, it’s an ideal location for both professionals and families. Essential qualifications and skills • Bachelor’s or Master’s degree in Electronic Engineering (or related field), • Experience in digital ASIC design and verification, including:Defining functional requirements for verification environments & metrics, • SystemVerilog UVM testbenches, • Formal proof verification, • Understanding of C test cases and C code, • Scripting languages (e.g. Python, Perl, TCL) Desirable skills • Experience with formal verification tools (JasperGold, VC Formal), • Familiarity with C/C++ development, • Prior SSD experience with storage interfaces such as SAS or PCIe (NVMe preferred) What’s on offer • Competitive base salary, • Hybrid working model, • Generous company pension scheme, • Private health insurance, • Visa sponsorship and relocation support for experienced engineers For more information or a confidential discussion, please contact Rachel Mason at IC Resources.

Location: Hybrid – Oxfordshire (2 days onsite) Salary: £40,000 – £50,000 + Benefits The Opportunity Are you a SOC Analyst with 1–2 years of experience who feels like you’ve hit a ceiling? A rapidly scaling Cyber Security Consultancy is looking for a technically curious Analyst to join their elite Security Operations capability. This isn’t a "ticket farm" role; it’s an opportunity to move beyond basic monitoring and gain deep, hands-on exposure to modern Microsoft Security Tooling within complex client environments. The Role Working alongside a senior team of incident responders and engineers, you will be at the front line of defense for a diverse client base. • Detection & Analysis: Monitor and investigate sophisticated threats within a Microsoft Sentinel SIEM environment., • Proactive Triage: Go beyond the alert—analyze logs, identify patterns, and determine the "root cause" of security incidents., • Continuous Improvement: Assist in tuning detection rules and reducing "noise" to ensure the SOC is always one step ahead., • Incident Response: Support the end-to-end investigation and reporting of live security breaches. Technical Profile What you need: • SOC Foundation: 1–2 years of experience in a SOC or security monitoring role., • SIEM Exposure: Experience navigating SIEM platforms (if you’ve used Microsoft Sentinel, that’s a major win)., • Threat Knowledge: A solid grasp of common attacker techniques (MITRE ATT&CK framework knowledge is highly regarded)., • Microsoft Ecosystem: Familiarity with Microsoft Defender for Endpoint/Identity or Azure security tools., • The "Investigator" Mindset: A natural curiosity to dig into logs until you find the answer. The "Value Add" (Nice to Have): • KQL Skills: Experience writing Kusto Query Language for data hunting., • Certifications: SC-200 (Cyber Security Operations Analyst), SC-900, or AZ-500., • Consultancy Spirit: Comfortable communicating findings to external stakeholders. Why Join? • Technical Progression: Clear path toward Senior Analyst, Threat Hunter, or Incident Responder., • Modern Stack: Work exclusively with cutting-edge Microsoft security tech., • Hybrid Balance: 2 days onsite in Oxfordshire allows for team collaboration and mentoring, with the rest of the week remote. Ready to level up? > If you are looking for a role where you’ll be mentored by senior experts and given the tools to become a specialist, we want to hear from you. Apply directly for a confidential discussion.

OT Cyber Security Specialist (Contract) Location: Hybrid – 3 days onsite (Oxfordshire), remainder remote Day Rate: £400-£450 per day (Outside IR35) Start Date: ASAP Clearance: SC required Hours: 37.5 per week (typically 9:00am–5:30pm) Overview We are supporting a leading UK organisation within the advanced engineering and research sector, seeking an OT Cyber Security Specialist to play a key role in building and maturing their Operational Technology (OT) security capability. This is a greenfield opportunity to shape and implement OT security strategy, frameworks, and governance across complex industrial environments. Key Responsibilities • Lead the design and delivery of the OT Security Strategy, including policies and standards, • Establish governance processes aligned to enterprise security frameworks, • Conduct OT risk assessments and gap analyses against recognised standards (e.g. IEC 62443, NIST CSF, CAF), • Identify and oversee implementation of security controls across OT environments, • Provide technical oversight when working with managed service providers and third-party vendors, • Collaborate with enterprise security teams to align OT and IT security initiatives, • Support OT incident response, including coordination with SOC teams where applicable, • Mentor junior team members and contribute to capability development, • Track and report on OT security maturity and roadmap progress Essential Experience • Proven experience developing and maturing OT security within ICS or critical infrastructure environments, • Strong background in defining and implementing OT security strategies, policies, and standards, • Deep understanding of OT security frameworks (IEC 62443, NIST CSF, CAF, ISO 27001), • Experience conducting OT risk assessments, gap analysis, and remediation planning, • Knowledge of OT networks, segmentation, and industrial protocols, • Experience working closely with engineering and operational teams, • Ability to oversee third-party vendors and managed security services, • Strong documentation and stakeholder communication skills Desirable Experience • Experience in solution architecture, • Familiarity with SIEM/SOC integration in OT environments, • Experience with OT asset discovery and monitoring tools, • Knowledge of regulatory frameworks within critical infrastructure (e.g. NIS), • Experience contributing to working groups or acting as a subject matter expert. Please apply with an up to date version of your CV for immediate consideration.

A family-owned care provider in Kidlington is seeking dedicated Care and Support workers to join their brand new facility.You will assist residents with their daily routines and promote their independence, while following personalized care plans.Ideal candidates will have NVQ Level 2 in Health & Soc

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Associate Professorship (or Professorship) of Complex SystemsMathematical Institute, University of Oxford | OxfordClassification: Complex SystemsThe Mathematical Institute proposes to appoint an Associate Professor (or Professor) of Complex Systems from 1 August 2026 or as soon as possible thereafte

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They're also a Microsoft Security Solutions Partner (with all 6 solutions partner designations in total), have 13 Advanced specializations inc all the security ones, have a Microsoft certified MXDR SOC, are a Microsoft Intelligent Security Association (MISA) member - Inner Circle and were finalists

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