Who We Are
Arenko is an Energy Tech company using advanced software to optimise energy storage, making electricity grids more flexible, reliable, and zero-carbon. Our platform enables grid operators (such as National Grid in the UK) and asset owners to maximise efficiency and revenue in an evolving energy landscape.

What you will do:
Senior Infrastructure Engineer is a technical role responsible for designing and building new AWS infrastructure alongside the software teams and maintaining the operational excellence of our existing infrastructure on the AWS platform. The role involves day to day management of our AWS infrastructure, supporting and collaborating with software development teams, considering costs and implementing long term strategic projects to ensure our platform fits Arenko's future needs.

Infrastructure Design and Implementation

Collaborate with cross-functional teams to design scalable and cost-effective AWS cloud architectures.
Implement infrastructure solutions using AWS services such as EC2, S3, RDS, VPC, ECS, Lambda, etc.
Take the lead on key projects, helping to define the appropriate architecture and deliver within timelines and cost constraints

Automation and Orchestration:

Utilize Terraform to automate the provisioning, deployment, and management of infrastructure resources.
Implement continuous integration and continuous deployment (CI/CD) pipelines to automate infrastructure deployments.
Streamline operational tasks through scripting and automation, enhancing efficiency and reliability.
Play a role in defining best practice, tooling and ways of working to ensure that we continuously improve

Monitoring and Optimization:

Monitor AWS infrastructure performance, troubleshoot issues, and implement optimizations for cost and performance.
Implement logging, monitoring, and alerting solutions using AWS CloudWatch, Prometheus, Grafana, and other monitoring tools.
Conduct periodic reviews of infrastructure to identify opportunities for optimization and cost reduction.

Security and Compliance:

Implement security best practices and compliance standards in AWS environments.
Configure IAM roles, policies, and permissions to ensure least privilege access.

Mentoring, Team and Ways of Working:

Take the lead on key projects, managing stakeholders, gathering requirements and updating the business on progress
Help to facilitate team processes and meetings where appropriate, delegating for the Team Lead when needed
Mentor and guide less experienced team members, helping the whole team to grow and develop as engineers

What we are looking for

Excellent working knowledge of the AWS ecosystem and best practices.
Strong knowledge with infrastructure as code (IaC) using tools like Terraform.
High level of proficiency in containerization using ECS and Docker.
Expertise in implementing and managing CI/CD pipelines.
Proven track record delivering large projects/improvements across complex Infrastructure deployments and platforms
Excellent problem-solving and troubleshooting abilities.
Effective communication skills for both technical and non-technical stakeholders.

Our Hiring Process

Intro Call (30 min): Informal chat with an engineering leader.
Take-Home Technical Test ( 2 hours): Real-world problem-solving challenge.
Technical Interview (1 hour): Discuss your test, approach, and code decisions. We'll also ask about other technical projects you've worked on in your career.
Final Interview (1 hour): Behavioral and leadership discussion with your future manager.
Decision: We aim to provide quick and constructive feedback.

So what's in it for you?

Hopefully the first thing is you love what we do and want to be part of the mission but let's be honest that's probably not why you're getting up to work everyday.

We know that rewarding our employees is the best way to make them feel valued. This is a journey we'd love you to take with us and as we grow we look forward to finding more ways to reward and thank you for your commitment to our mission. We currently offer the following benefits with more to come in future;

25 days holidays in addition to public holidays, carry over flex and festive office closure (a pretty decent annual leave allowance even if we do say so ourselves!)
A genuine approach to flexible working - the vast majority of our employees spend at least a day or 2 each week in the office but we're open to making this work for everyone, their personal circumstances and their workloads
Enhanced parental leave offerings with 6 months of full salary for the primary caregiver and 1 month for the secondary caregiver
A yearly salary review for all employees
We are proud to support the continuous professional growth of our employees by providing a personal annual learning and development budget and fully covering the costs of professional membership fees and subscriptions relevant to your role
Access to MindTools on us
Bike to Work Scheme (because it wouldn't be very on brand if we didn't encourage you to think about how your travel affects the environment)
Octopus EV Scheme (see above!)
A commitment to your wellbeing, with access to our Employee Assistance Programme and complimentary eye tests in partnership with Specsavers
Internal working groups to focus on the things that matter to you like our "Women of Arenko", "Diversity, Equity and Inclusion" and "Parents of Arenko" groups
As part of our DEI efforts, we are currently in partnership with MotherBoard which enable us to be committed to improving the working lives of parents at Arenko
Regular opportunities to blow off some steam engage with our team, including quarterly socials, the big Festive Gathering and the Summer Party. We're also working on our wellness initiatives to support your Physical, social, mental and financial wellbeing.

Here at Arenko, we want every employee and candidate to feel valued, comfortable, and able to be their own free self at work. Together, we are committed to building a diverse and inclusive culture that encourages, supports, and empowers the authentic voices of all our employees. All qualified applicants will receive consideration for employment without regard to race, colour, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age or any other aspect that makes you unique.

If you're excited by our mission and think you could be a great fit, send us your CV!

Arenko Group

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Senior Infrastructure Engineer