Twinstream Limited

Site Reliability Engineer Bristol, Hybrid (3 days onsite, 2 from home) Up to £95K & Great Benefits Ready to take on high-impact engineering challenges that actually matter? Want to work on mission-critical systems used across the UK's most high-profile government organisations? This is your chance to join TwinStream -a team of elite engineers who built their careers cracking complex cross-domain problems, and then built a company to do it even better. We're growing fast. Demand for our services is skyrocketing. And now we're looking for a Site Reliability Engineer who's ready to step into a role with real ownership, real influence, and real opportunities to innovate. Why You'll Love This Role As our new SRE, you'll be right at the heart of our evolving cloud and on-prem platforms. This isn't a "keep the lights on" job-it's a role where you'll shape infrastructure strategy, partner closely with software and systems teams, and push performance, reliability, and automation to the next level. You'll help us evolve observability, enhance delivery pipelines, eliminate toil, drive reliability metrics, and make smart technical decisions that keep our systems robust as we scale. If you love solving gnarly problems, improving how things work, and innovating at speed-this is the role for you. Key Responsibilities of the Site Reliability Engineer: Collaborating with Software Engineers to improve subsystem reliability and performance Partnering with System Administrators to automate toil and cut down alert noise Taking observability to the next level-find issues before they hit the business Supporting development environments to boost speed and quality Researching & evaluating tools to guide key buy-vs-build decisions Deepening your expertise across multiple technical and business domains Expanding your knowledge of diverse tech stacks and platforms What You Bring Modern configuration management tools (Ansible, Chef or similar) Terraform Docker containers & orchestration (Kubernetes, OpenShift, Docker Swarm) CI/CD tooling (Jenkins or similar) Monitoring/metrics stack (InfluxDB, Prometheus, Grafana) MQ messaging (RabbitMQ or other AMQP solutions) SQL & relational databases Linux administration & shell scripting Network security fundamentals Cloud hosting (ideally AWS: EC2, RDS, S3, Lambda) Bonus points for: Experience with Java, Go, Python or similar Knowledge of cross-domain principles & tech Service management experience Hands-on observability implementation Proven ability to reduce downtime with smart reliability metrics Why You'll Love Working at TwinStream Competitive salary, £65k - £95k DOE 8% employer pension contribution Private medical healthcare (including dental & optical for the whole family) Flexible working culture Learning & development owned by YOU Electric vehicle salary-sacrifice scheme 28 days holiday + bank holidays Regular team events, plus Christmas & summer parties Life assurance & cycle-to-work scheme Security Clearance You'll need to be eligible for SC and/or DV clearance. Any offer will be subject to successful security screening. Ready to engineer impact? Apply now and shape the future of secure, high-performance cross-domain systems.

Information Security Manager £70,000 £80,000 Remote (UK) Eligible for SC/DV Clearance Protect. Enable. Lead. Join TwinStream a dynamic, engineering-led consultancy born from real-world problem solvers within UK government organisations. We bring technical excellence to complex missions, and now we re looking for someone who can elevate our security posture as we continue to grow. If you want a role where you're trusted, empowered, and hands-on with real impact this is it. Why TwinStream? In 2019, our founders united their expertise to build a business that delivers exceptional service and cutting-edge solutions across government, defence, and highly regulated sectors. Today, TwinStream teams operate both on-site with clients and remotely nationwide, supporting high-stakes, high-impact work. We're scaling rapidly and your voice will matter. The Role: Information Security Manager We re searching for a practical, proactive, mid-to-senior InfoSec practitioner who thrives on doing not just advising. This is a delivery-focused role, perfect for someone who enjoys: Crafting and updating policies Driving governance, risk, and compliance Embedding secure-by-design practices Boosting security awareness and culture Being the go-to security expert within the business You ll work independently, without line management duties, owning day-to-day information security operations. Our IT teams handle the tooling your mission is governance, risk, compliance, and enabling secure delivery. What You ll Be Doing Own and manage all information security incidents & organisational risks Maintain and evolve our Information Security Management System (ISMS) Lead policy creation, updates, and compliance tracking Drive continuous improvement of security practices and behaviours Ensure compliance with ISO 27001, Cyber Essentials Plus, UK GDPR, and MOD CSM v3/v4 Plan, coordinate, and support internal/external audits and pen tests Embed security into projects, cloud services, and software delivery Deliver engaging security training and awareness sessions Contribute to Business Continuity, Disaster Recovery, and internal audit Act as TwinStream s primary point of contact for all things InfoSec What You ll Bring Proven experience as an Information Security Manager or similar Strong experience in incident management, risk governance, and practical InfoSec delivery Ability to embed security into modern software development and cloud environments Strong knowledge of ISO 27001, Cyber Essentials Plus, and UK regulatory requirements Excellent communication skills confident translating security for all audiences Comfortable working remotely in a flexible, fast-paced environment Relevant certifications (e.g., CISSP, CISM, ISO 27001 Lead Implementer/Auditor) Eligible for UK Security Clearance (minimum SC) Why You ll Love Working With Us 8% employer pension contribution Private medical cover including dental & optical (for you and your family) Learning & development autonomy you drive your growth Flexible remote working that actually supports your life Electric vehicle salary sacrifice scheme Cycle to Work + Life Assurance 28 days holiday + bank holidays Quarterly meet-ups, summer party & Christmas celebrations We re building something special and you ll be at the heart of it. Ready to make your mark? Join a team where your expertise shapes how we protect people, systems, and missions that matter. Apply now and take the next step with TwinStream.