At a Glance
- Tasks: Design and manage cloud infrastructure while ensuring top-notch security and automation.
- Company: Join Commerce Decisions, part of Harris Computer Company, a leader in mission-critical software solutions.
- Benefits: Enjoy 25 days holiday, private medical care, and an annual lifestyle reward.
- Other info: Remote work model with opportunities for travel and collaboration across teams.
- Why this job: Make a real impact in a dynamic environment with cutting-edge technology and career growth.
- Qualifications: Experience in cloud operations, security engineering, and strong troubleshooting skills required.
The predicted salary is between 60000 - 80000 £ per year.
Commerce Decisions, part of Harris Computer Company, are currently seeking an experienced Senior Infrastructure & Security Engineer on a full-time, permanent basis operating on a remote working model. Commerce Decisions is part of Harris. Harris’ strategy focuses on acquiring software businesses, strengthening and managing them well, and growing them for the future. Our companies provide mission-critical software solutions to a global customer base across various vertical markets.
Role Responsibilities
- Infrastructure & cloud operations
- Design, implement and run cloud infrastructure across Azure and Oracle Cloud (OCI) spanning the UK and Canada, for high availability, scalability and security.
- Administer a mixed Linux and Windows server estate, plus Docker and Kubernetes workloads.
- Own deployment of monthly SaaS releases, updates and patches into Staging, internal and hosted customer environments.
- Light MySQL maintenance: version upgrades, backup monitoring, replica health checks and tuning improvements.
- Manage internal IT assets and users via ManageEngine; monitor staff device patch status.
- Maintain internal servers and QA/test environments.
- Investigate and resolve infrastructure issues and bugs, supporting the wider engineering team.
- Automation & modernisation (≈50% of the role)
- Lead the migration of manually-built Oracle Cloud environments onto Terraform and Ansible, with proper change management.
- Partner with Development to identify and build automation that improves releases and deployment.
- Drive automation and modernisation as a continuous theme, treating infrastructure-as-code as the living source of truth for infrastructure state.
- Security engineering
- Patch management across the estate.
- Maintain and improve hardened environments to CIS benchmarks.
- Threat-horizon monitoring: track IT news, vendor advisories, CVE feeds, NCSC and similar for issues relevant to our stack, and drive remediation.
- Operate security tooling (CrowdStrike, ESET, Rapid7, or equivalents): deploy agents, ensure coverage and updates, monitor dashboards, and triage and analyse alerts.
- Coordinate penetration tests end-to-end and own scoping.
- Author and review customer security questionnaires and bid responses about our hosting environments and security controls.
- Provide technical evidence and implement controls in support of ISO 27001 and Cyber Essentials Plus.
- Networking
- Hands-on (and IaC) with Cloud based load balancers, SSL certs & ciphers, WAFs (configuration and management), security headers, network security groups and VPNs.
- Resilience & business continuity
- Capacity monitoring and resilience planning; design for high availability and scalability.
- Lead disaster-recovery and business-continuity capability: design it, test it regularly, and automate backup/restore and failover wherever possible.
- Build and maintain alerting and observability.
- Documentation & operating rhythm
- Maintain infrastructure-as-code as the primary record of infrastructure state, supported by clear runbooks, operational processes and decisions.
- Weekly tracking of work in progress and incoming work.
The successful candidate will have these skills and experience:
- Collaboration closely with R&D and Customer Support and Success teams to ensure the best outcomes for our customers.
- Strong hands-on infrastructure/IT operations background across a mixed estate.
- Production experience with at least one major public cloud (Azure, AWS, OCI or GCP) and a strong grasp of the underlying concepts.
- Practical experience with Terraform, Ansible or similar in production.
- Confident administering both Linux and Windows servers.
- Solid understanding of containers and orchestration, Kubernetes in particular.
- Demonstrable networking skills.
- Practical security operations: patching, hardening, vulnerability management, and operating endpoint/threat tooling.
- Experience coordinating penetration tests and driving triage and remediation through to closure.
- Experience designing for resilience, high availability and business continuity.
- Strong analytical and logical troubleshooting, root-cause discipline.
- Genuine curiosity for emerging tools and technologies, including AI.
- Clear written communication.
- Eligible for and able to obtain UK SC clearance.
Desirable Skills & Experience
- Active SC clearance at point of hire.
- Hands-on Oracle Cloud Infrastructure (OCI).
- Direct experience with the specific security tooling: CrowdStrike, ESET, Rapid7.
- Octopus Deploy.
- ManageEngine.
- MySQL administration.
- Observability stacks: Grafana/Loki, PRTG.
- Experience migrating manually-built environments to infrastructure-as-code.
- Direct experience with ISO 27001, Cyber Essentials Plus and MOD frameworks.
Location
UK Based. Travel – required to company offices, events, customer sites, partner sites, conferences, industry events, corporate events etc. as necessary.
Benefits
Harris offers an extremely competitive UK employee benefits programme.
- 25 days holiday
- 5 Personal Days leave entitlement
- An annual Lifestyle Reward amounting £325 per annum/pro rata.
- Private medical and dental care
- Employee Share Ownership Plan
Supporting your application
Our recruitment process will comprise of interviews and, at times, a written exercise, an assessment day and/or a presentation. As an equal opportunities’ employer, we want to make sure we do all we can to make this a positive experience for you. When applying, please make us aware on your application of any adjustments or additional support we can provide you with before or on the day of an interview.
Senior Infrastructure & Security Engineer in Swindon employer: Harris
Corporate IT Systems Limited (CITSL) and Force Information Systems (FIS) offer a dynamic work environment where innovation meets collaboration. As a Director of Sales, you will benefit from an extensive employee benefits programme, including competitive salary, private healthcare, and generous leave entitlements, all while working in a culture that values growth and teamwork. With opportunities for professional development and a commitment to diversity, CITSL and FIS are dedicated to empowering their employees to achieve meaningful success in the public sector software market.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Infrastructure & Security Engineer in Swindon
✨Get Involved in the Cybersecurity Community
Diving into the cybersecurity community is key for landing that full-time gig. Join forums like Reddit's r/cybersecurity or attend local meetups to connect with industry veterans and other job seekers. Networking is everything in this field—don’t just be a passive lurker!
✨Show Off Your Skills with Capture the Flag Competitions
Participate in Capture the Flag (CTF) competitions; these are not just a fun way to boost your skills but also a chance to showcase your talent to potential employers. Many companies, including Harris, love seeing candidates who actively engage in these challenges.
✨Tailor Your Online Presence
Make sure your LinkedIn and any professional profiles reflect your cybersecurity expertise. Share your projects, whether they’re personal or from a previous role, to catch the eye of hiring managers. This is how they’ll find your passion and commitment to the field!
✨Apply Directly Through Harris
Don’t forget to head straight to our website and check out any openings for cybersecurity roles at Harris. Applying directly can sometimes give you an edge, especially if you can mention that you've been following our work or engaging in the community.
We think you need these skills to ace Senior Infrastructure & Security Engineer in Swindon
Some tips for your application 🫡
Show off your technical skills:In cybersecurity, it's crucial to highlight your technical prowess. Make sure your CV showcases specific skills like network security, penetration testing, or threat analysis. If you have relevant certifications (like CEH or CISSP), pop those on the front page to grab attention!
Tailor your portfolio for the role:Even for a full-time role, a portfolio can set you apart. If you've worked on any cybersecurity projects—be it CTF challenges, security assessments, or research papers—include these in your application. This demonstrates not just your skills, but also your hands-on experience!
Use real-world examples:When writing your cover letter, don’t just stick to your qualifications. Share real-world examples of how you’ve tackled security issues or vulnerabilities. This gives the hiring team at Harris insight into your practical problem-solving abilities and makes your application memorable.
Demonstrate your passion for cybersecurity:Cybersecurity is an ever-evolving field, so show us that you’re always learning! Mention any recent courses, webinars, or industry events you’ve attended. This not only exhibits your enthusiasm but also signals to Harris that you’re committed to staying ahead in the game.
How to prepare for a job interview at Harris
✨Sharpen Your Technical Skills
For a role in cybersecurity, it’s essential to be up-to-date with the latest tools and techniques. Brush up on your knowledge of firewalls, intrusion detection systems, and vulnerability assessment tools. Be ready to discuss specific scenarios where you’ve applied these skills, as hands-on experience can really set us apart in interviews.
✨Prepare for Scenario-Based Questions
Expect the interviewers at Harris to throw in some hypothetical situations to see how you’d handle them. Think about common security breaches or incidents and be prepared to explain how you would respond. This not only shows your problem-solving skills but also your understanding of real-world cybersecurity challenges.
✨Highlight Your Certifications
Certifications like CompTIA Security+, CISSP, or CEH can give you a significant edge in a full-time role in cybersecurity. Make sure to mention these during your interview and be prepared to discuss what you learned through those certifications and how they relate to the position at Harris.
✨Show Your Passion for Cybersecurity
Since you’re going for a full-time gig, showing genuine enthusiasm for the field can make all the difference. Share any personal projects, blogs, or communities you’re part of that relate to cybersecurity. This not only showcases your passion but also your commitment to staying engaged in this ever-evolving field.
