AWS Principal Platform Engineer - UK Security Clearance eligibility required.

Appvia Ltd.; City of London; Hybrid; GBP 90,000 - 120,000; Full time

Job summary

A leading cloud technology firm in London seeks a Principal AWS Platform Engineer to design scalable and secure platforms. The ideal candidate will lead teams while driving cloud adoption strategies and best practices in a collaborative environment. Offering a salary of £90,000 - £120,000, with additional benefits including a hybrid work model. Applicants must be eligible for UK Security Clearance.

Benefits

Flexible working hours

Hybrid work model

25 days holiday plus bank holidays

Full private healthcare cover

Learning budget £1,000 per year

Dog‑friendly office

Qualifications

• Experience leading Engineering teams in Agile and DevOps best practices.
• Strong collaboration skills across technical levels.
• Excellent people skills, motivating teams toward common goals.

Responsibilities

• Collaborate with customers to define and execute cloud and DevOps adoption strategies.
• Educate stakeholders on cloud‑native technology benefits and best practices.
• Lead large, complex public cloud projects.

Skills

Platform Engineering: designing and implementing scalable, resilient, and secure platforms

Automation: expertise in IaC practices, tools such as Terraform, CloudFormation, scripting languages (Python, Ruby)

Container Orchestration: hands‑on experience with Kubernetes, EKS, AKS, GKE

Public Cloud Expertise: deep knowledge of AWS, Azure, or GCP services and best practices

DevOps Mastery: CI/CD, containerisation, serverless technologies

Networking: secure, scalable AWS network architecture

Education

Certification in relevant cloud technologies (AWS, Azure, GCP) at expert/professional level

AWS Solutions Architect Professional

AWS Certified Advanced Networking – Specialty (highly desirable)

Certified Kubernetes Administrator (CKA)

Certified Kubernetes Security Specialist (CKSS)

Job description

AWS Principal Platform Engineer - UK Security Clearance eligibility required.

Location: London, UK

Pay Range: £90,000 - £120,000 + 10% Bonus + 10% Shares + Benefits

About Us

At Appvia, we help customers navigate their journey to Cloud and DevOps maturity. As a leading provider, we offer cutting‑edge technologies and services to support our clients’ cloud adoption. Our mission is to enable every company to deliver applications in the cloud, building the infrastructure layer that allows platform engineering teams to manage, monitor, and update with ease.

About the Role

As a Principal AWS Platform Engineer you’ll guide customers toward Cloud and DevOps excellence. You’ll design and implement scalable, resilient, secure platforms and lead a team of cloud consultants, fostering innovation and building Appvia's internal solutions team.

Interview Process (4 stages)

• Discovery conversation with Talent Acquisition Manager
• Paired Technical Assessment with Engineering team
• Technical Interview deep dive with Practice Leadership
• Competency‑focused Final Interview with Engineering Leadership

Security Clearance Eligibility

• Hold active Security Clearance (SC) or be eligible for SC
• British Passport or Indefinite Leave in the UK (ILR)
• Resided in the UK for at least the last 5 years
• No criminal record
• No financial irregularities

About You

• Passionate about new technology and automation, with experience leading Engineering teams in Agile and DevOps best practices
• Expertise in continuous integration and deployment practices
• Strong collaboration skills across technical levels
• Leadership and mentoring on industry best practices
• Project Management experience
• Excellent people skills, motivating teams toward common goals
• Bid work and Pre‑Sales Engineering experience

Responsibilities

• Collaborate with customers to define and execute cloud and DevOps adoption strategies
• Educate stakeholders on cloud‑native technology benefits and best practices
• Lead large, complex public cloud projects and select appropriate technologies
• Manage teams of platform engineers and consultants, fostering a collaborative culture
• Engage with enterprise clients to understand challenges and deliver tailored solutions
• Stay up‑to‑date with latest trends and technologies, contributing through blog posts and videos

Skills

• Platform Engineering: designing and implementing scalable, resilient, and secure platforms
• Automation: expertise in IaC practices, tools such as Terraform, CloudFormation, scripting languages (Python, Ruby)
• Container Orchestration: hands‑on experience with Kubernetes, EKS, AKS, GKE
• Public Cloud Expertise: deep knowledge of AWS, Azure, or GCP services and best practices
• DevOps Mastery: CI/CD, containerisation, serverless technologies
• Networking: secure, scalable AWS network architecture (VPC, VPN, Load Balancers, Transit Gateway)

Experience

• Leadership on large public cloud projects
• Team management and mentorship fostering collaborative culture
• Enterprise customer‑facing experience with high satisfaction
• Continuous learning and industry involvement, contributing to knowledge sharing

Qualifications

• Certification in relevant cloud technologies (AWS, Azure, GCP) at expert/professional level

• AWS Solutions Architect Professional
• AWS Certified Advanced Networking – Specialty (highly desirable)
• Certified Kubernetes Administrator (CKA)
• Certified Kubernetes Security Specialist (CKSS)

Benefits

We offer a suite of benefits designed to support work‑life balance and well‑being.

Work‑Life Balance

• Flexible working with core hours 10‑4pm
• Hybrid work – one compulsory office day per month
• 25 days holiday plus bank holidays
• Additional day off for birthday
• Enhanced maternity and paternity to full pay
• Workplace nursery benefit

Well‑Being

• Full private healthcare cover for you and children (50%)
• Death in service coverage
• Cycle to Work scheme
• Electric car scheme
• Pension with salary sacrifice option
• Employee assistance programme
• Free hygiene products in London office

Mental Health Support

• Free therapy via AXA
• Access to Headspace app
• Trained Mental Health First Aiders

Fun Perks

• Learning budget £1,000 per year
• Company MacBook Pro
• Dog‑friendly office
• Dress comfortably
• Free office snacks
• Pool and ping‑pong tables
• Regular team socials, board‑game nights, industry meetups

Referrals increase your chances of interviewing at Appvia by 2x.

We are an equal‑opportunity employer and actively encourage, respect, and recognise diversity of thought and background throughout the business. All applicants will be considered for employment without attention to age, ethnicity, religion, sex, sexual orientation, gender identity, family or parental status, national origin, veteran status, neurodiversity, or disability status.

Seniority Level

Mid‑Senior level

Employment Type

Full‑time

Job Function

IT Services and IT Consulting