How to write a Infrastructure Engineer CV that gets interviews
Stand out to recruiters with a strategically crafted CV. Learn exactly what hiring managers look for, which keywords get past Applicant Tracking Systems, and how to showcase your experience like a top candidate.
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Understanding the Infrastructure Engineer role
A Infrastructure Engineer in the UK works across Big Tech companies, fintech, SaaS companies and similar organisations, using tools like AWS, Terraform, Kubernetes, Docker, Python on a daily basis. The role sits within the technology sector and involves a mix of technical work, stakeholder communication, and problem-solving. It's a career that rewards both deep specialist knowledge and the ability to collaborate across teams.
Infrastructure engineers typically come from sysadmin, network engineering, or software engineering backgrounds. The role has shifted significantly toward code-based infrastructure (Terraform, Ansible). Many engineers transition from ops roles or break in through cloud certifications (AWS Solutions Architect, Kubernetes). Self-taught engineers can break in with strong portfolio projects demonstrating infrastructure automation.
Day to day, infrastructure engineers are expected to manage competing priorities, stay current with industry developments, and deliver measurable results. The role has grown significantly in recent years as demand for technology professionals continues to rise across the UK job market.
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What they actually do
A day in the life of a Infrastructure Engineer
Writing and reviewing infrastructure code. Modern infrastructure engineers code in Terraform, CloudFormation, or Ansible, treating infrastructure like software. This includes peer review, testing, and version control just like application code.
Designing systems for scale and reliability. Infrastructure engineers design cloud architectures that handle traffic spikes, recover from failures gracefully, and cost efficiently. This involves understanding trade-offs between consistency, availability, and cost.
Managing deployment pipelines and CI/CD. Building the automation that moves code from commit to production. This includes infrastructure provisioning, database migrations, secrets management, and rollback procedures.
Monitoring, alerting, and incident response. Setting up observability so teams know when things go wrong. During incidents, infrastructure engineers investigate and remediate, often working under pressure with production impact.
Optimising costs and performance. Cloud bills can escalate quickly. Infrastructure engineers rightsizeinstances, optimise databases, and eliminate waste. Performance tuning — database indexes, caching, CDNs — directly impacts user experience.
What employers look for
Infrastructure engineers typically come from sysadmin, network engineering, or software engineering backgrounds. The role has shifted significantly toward code-based infrastructure (Terraform, Ansible). Many engineers transition from ops roles or break in through cloud certifications (AWS Solutions Architect, Kubernetes). Self-taught engineers can break in with strong portfolio projects demonstrating infrastructure automation. Relevant certifications include AWS Solutions Architect Professional, Certified Kubernetes Administrator, HashiCorp Certified: Terraform. Employers increasingly value practical experience alongside formal qualifications, so internships, placements, and portfolio work can be just as important as academic credentials.
CV writing guide
How to structure your Infrastructure Engineer CV
A strong Infrastructure Engineer CV leads with measurable achievements in technology. Hiring managers scan for evidence of impact — systems shipped, performance improvements, and technical depth. Mirror the language from the job description, particularly around AWS, Terraform, Kubernetes, Docker. Two pages maximum, clean layout, ATS-parseable.
Professional summary
Open with 2–3 lines that position you specifically as a infrastructure engineer. Mention your years of experience, key specialisms (e.g. AWS, Terraform, Kubernetes), and what you're targeting next. Include your tech stack and the scale you've worked at (team size, user base, transaction volume).
Key skills
List 8–10 skills matching the job description. For infrastructure engineer roles, prioritise AWS, Terraform, Kubernetes, Docker alongside system design, debugging, and deployment skills. Use the exact phrasing from the job ad for ATS matching.
Work experience
Lead every bullet with a strong action verb: built, deployed, optimised, architected, automated. "Reduced API response times by 40% through database query optimisation" beats "Responsible for backend performance". Show progression between roles — promotions and increasing responsibility tell a story.
Education & qualifications
Include your highest qualification, institution, and dates. Add relevant certifications like AWS Solutions Architect Professional or Certified Kubernetes Administrator. If you're early in your career, put education before experience; otherwise, experience comes first.
Formatting
Use a clean, single-column layout. Avoid graphics, tables, and text boxes — ATS systems reject them. Save as PDF unless the application specifically requests Word.
ATS keywords
Keywords that get your CV shortlisted
75% of CVs never reach human eyes. Applicant Tracking Systems filter candidates automatically. These keywords help you get past the bots and in front of hiring managers.
The formula for success
What makes a Infrastructure Engineer CV stand out
Quantify achievements
Replace "responsible for" with numbers. "Increased sales by 34%" beats "drove revenue growth" every time.
Mirror the job description
Use the exact language from the job posting. Hiring managers search for specific terms—match them naturally throughout.
Keep formatting clean
ATS systems struggle with graphics and complex layouts. Stick to clear structure, consistent fonts, and sensible spacing.
Lead with impact
Put achievements first. Your role summary should be a punchy summary of impact, not a job description.
Mistakes to avoid
Infrastructure Engineer CV mistakes that cost interviews
Even excellent candidates get filtered out for small oversights. Here's what to watch out for.
Using a generic CV that doesn't mention infrastructure engineer-specific skills like AWS, Terraform, Kubernetes
Listing duties instead of achievements — "Reduced API response times by 40% through database query optimisation"" vs the vague alternative
Including a photo or personal details like date of birth — UK CVs shouldn't have either
Exceeding two pages — engineering managers reviewing 200 applications don't have time for a novel
Omitting certifications like AWS Solutions Architect Professional that signal credibility to technology hiring managers
Technical toolkit
Essential skills for Infrastructure Engineer roles
Recruiters scan for these skills first. Make sure each is represented in your work history and highlighted clearly.
Questions about Infrastructure Engineer CVs
What's the difference between infrastructure engineering and DevOps?
DevOps is a culture and practice emphasising collaboration between development and operations. Infrastructure engineering is the technical discipline of building and maintaining infrastructure. DevOps engineers often write infrastructure code and build deployment pipelines. Modern infrastructure engineers are essentially DevOps engineers — the terms overlap significantly.
Do I need cloud certifications for infrastructure engineer roles?
Helpful but not required. AWS Solutions Architect or Terraform certifications show commitment and knowledge. However, demonstrated experience with real projects matters more. A portfolio of Terraform projects on GitHub is more valuable than certifications alone.
Is on-call rotation expected?
Often, yes. Most infrastructure engineers have on-call responsibilities — typically 1-2 weeks per quarter with backup support. Discuss expectations in interviews. Good on-call practices (clear escalation paths, automation to reduce wake-ups, post-incident reviews) reduce burden.
What does career progression look like for infrastructure engineers?
Junior engineers learn cloud platforms and automation. Mid-level engineers design new systems and own reliability. Senior engineers lead architecture, mentor teams, and drive strategy. Staff engineers shape organisation-wide infrastructure strategy. Some transition to management; others stay technical.
How do infrastructure engineers and security engineers work together?
Infrastructure engineers build the foundations (networks, databases, authentication). Security engineers define requirements (encryption, compliance, access controls) and review designs. Close collaboration is essential — security can't be bolted on after infrastructure is live.
What's the job market for infrastructure engineers in the UK?
Strong demand, especially for mid-level and senior engineers with cloud expertise. Fintech, scaleups, and Big Tech are aggressively hiring. Competition is moderate compared to software engineering but high compared to traditional ops roles. Cloud-native expertise (Kubernetes, Terraform) is particularly sought after.
Prepare for the next step
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