Security jobs in United Kingdom

Department: Operations

Employment Type: Full Time

Location: North East England

As a Senior Operations Engineer, you'll be involved with the design and evolution of our cloud infrastructure while mentoring within the operations team. You'll drive architectural decisions, establish best practices, and work closely with leadership to scale our systems for growth. This role is ideal for someone with deep expertise in cloud platforms (especially AWS), proven leadership in infrastructure projects, and a track record of building reliable, secure systems at scale.

• Design, architect, and optimise cloud infrastructure on AWS, ensuring scalability, security, and cost-effectiveness.
• Lead the implementation of security frameworks, including advanced IAM architectures, compliance controls, threat modeling, and security automation.
• Champion infrastructure-as-code practices and drive adoption of automation across the organization using tools like AWS CDK, CloudFormation, and Terraform.
• Contribute to change management processes, establishing standards for planning, risk assessment, documentation, and rollback procedures.
• Lead incident response efforts, conduct thorough postmortems, and implement preventive measures to improve system reliability.
• Partner with engineering and product teams on strategic architecture decisions, capacity planning, and platform evolution.
• Establish and enforce standards for secrets management, credential lifecycle, and secure configuration management.
• Mentor junior and mid-level engineers, conducting code reviews and sharing expertise across the team.
• Define and evolve internal documentation standards, runbooks, and knowledge-sharing practices.

• Extensive hands‑on experience architecting and operating production AWS environments at scale.
• Deep understanding of AWS Well‑Architected Framework and ability to apply it to complex system designs.
• Expert‑level knowledge of Linux systems administration and performance tuning (Fedora, RHEL, etc.).
• Strong networking expertise (DNS, VPCs, firewalls, ACLs, routing, load balancing, etc.).
• Working knowledge of DNS, CDN, caching, firewalls, load balancers, and WAFs to ensure secure and performant web delivery.
• Proven expertise with IaC tooling including AWS CDK, CloudFormation, and Terraform, including module/library design.
• Advanced scripting and automation capabilities in Bash, Python, or Go.
• Excellent knowledge of modern observability tools and a demonstrated ability to implement the SRE approach to reliability (SLOs/SLIs, error budgets, eliminating toil)
• Comprehensive understanding of security best practices, including zero‑trust architectures, compliance requirements, and security tooling.
• Demonstrated experience building and optimizing CI/CD pipelines and GitOps workflows.
• Ability to participate in 24/7 support rotations and respond to incidents effectively.
• Proven ability to prioritize competing demands, lead cross‑functional initiatives, and deliver results in fast‑paced environments.

• Customer and team centric with strong stakeholder management skills.
• Comfortable working independently on assigned tasks while collaborating with wider teams.
• Passionate about continuous improvement with an automation‑first mindset, knowledge sharing, and developing team capabilities.
• Strategic thinker with excellent judgment in balancing short‑term needs with long‑term architectural goals.
• Effective communicator who can translate technical concepts for varied audiences.

• Deep experience with serverless architectures and container orchestration platforms (ECS, EKS, Kubernetes).
• Proven track record with observability platforms like CloudWatch, Datadog, Prometheus, Grafana, or similar.
• Experience establishing SRE practices, incident management processes, and reliability engineering culture.
• Direct experience implementing compliance frameworks (e.g., ISO 27001, SOC2, PCI‑DSS) or relevant security certifications.

• Auto-enrolled after 3 months' service
• Salary sacrifice scheme to maximise tax efficiency
• 5% employee contribution, matched by 5% from Amplience
• Pension broker: Titan Group (offers financial advice)
• Pension provider: Aegon (moved from Aviva in 2024)

25 days paid holiday as standard

• UK Team Entitlement: 3+ years continuous service | 26 days annual leave entitlement
• 4+ years continuous service | 27 days annual leave entitlement
• 5+ years continuous service | 28 days annual leave entitlement
• 6+ years continuous service | 29 days annual leave entitlement
• 7+ years continuous service | 30 days annual leave entitlement

• 12 weeks full pay
• 12 weeks at 50% pay
• 15 weeks at statutory maternity pay (SMP)
• 13 weeks unpaid

• 2 weeks full pay

• Up to one month’s full pay per calendar year (at company discretion, with medical certificate)

• 5 days for employees on accredited long‑term courses (12+ months)

• One paid day off during your birthday month

• One day off per quarter for the whole business – rest, recharge, and reset

All roles are laptop-enabled

Working arrangements agreed with your line manager

Freedom Fridays: Finish early on Fridays to support work‑life balance (full‑time employees only)

• Purchase up to 5 extra days per year, repaid through salary deductions

• Save on bikes & accessories via tax‑efficient payments (Blackhawk Network)

• Purchase tech items and spread the cost over 12 months via salary deduction (Blackhawk Network)

• Advance loans available for travel tickets, repaid via payroll

• Up to 3 paid days a year for volunteering or charity work

• Tax‑free donations to UK charities, directly from your salary

• Reimbursement for a standard eye exam every two years

• £1,000 / €1,139 / $1,337
• 50% paid at 4 months, 50% at 7 months post‑hire

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