Senior Site Reliability Engineer - AVP

Barclays•Jefferson, CO

5d•$120,000 - $175,000•Onsite

About The Position

Embark on a transformative journey as a Senior Site Reliability Engineer - AVP. At Barclays, our vision is clear –to redefine the future of banking and help craft innovative solutions. In this role, you will be instrumental in building, guiding, and improving the efficiency of mission-critical markets applications. With full end-to-end ownership of projects, you’ll have a unique opportunity to learn, innovate, and directly influence outcomes. As part of a specialized infrastructure team, you will support and enhance container platforms and client-facing applications. Applying software engineering principles to operations and infrastructure, you will help design and maintain systems that are highly reliable, scalable, and efficient. The role emphasizes proactive monitoring, continuous optimization, and rapid incident response to ensure consistent system performance in a fast-paced, dynamic environment. If you’re passionate about automation and driven to eliminate manual effort, this role empowers you to take ownership, optimize processes, and transform mission-critical market systems to deliver meaningful results.

Requirements

Considerable programming expertise in languages such as Python, Java, and others
Practical experience with Infrastructure as Code (IaC) tools, including Ansible, Chef, and Terraform
Validated experience with observability and monitoring platforms such as Observe, Elastic, InfluxDB, and Grafana
Solid understanding of containerization technologies and Unix/Linux environments
Demonstrates a Site Reliability Engineering (SRE) mindset, with good analytical skills, ownership, and a forward-thinking approach to problem-solving

Nice To Haves

Considerable automation and API-first mindset, focused on driving efficiency, scalability, and repeatability
Self-starter with a proactive approach, able to independently drive programs from concept to execution
Proven ability to navigate ambiguity and solve complex, undefined problems with structured thinking
Excellent communication skills, enabling effective collaboration and clear articulation across technical and business stakeholders
Demonstrates ownership and accountability, consistently delivering outcomes in dynamic environments
You may be assessed on the key critical skills relevant for success in this role, such as risk and controls, change and transformation, business acumen, strategic thinking, digital and technology, as well as job-specific technical skills.

Responsibilities

Build Engineering: Development, delivery, and maintenance of high-quality infrastructure solutions to fulfil business requirements ensuring measurable reliability, performance, availability, and ease of use. Including the identification of the appropriate technologies and solutions to meet business, optimisation, and resourcing requirements.
Incident Management: Monitoring of IT infrastructure and system performance to measure, identify, address, and resolve any potential issues, vulnerabilities, or outages. Use of data to drive down mean time to resolution.
Automation: Development and implementation of automated tasks and processes to improve efficiency and reduce manual intervention, utilising software scripting/coding disciplines.
Security: Implementation of a secure configuration and measures to protect infrastructure against cyber-attacks, vulnerabilities, and other security threats, including protection of hardware, software, and data from unauthorised access.
Teamwork: Cross-functional collaboration with product managers, architects, and other engineers to define IT Infrastructure requirements, devise solutions, and ensure seamless integration and alignment with business objectives via a data driven approach.
Learning: Stay informed of industry technology trends and innovations, and actively contribute to the organization's technology communities to foster a culture of technical excellence and growth.
Assistant Vice President Expectations To advise and influence decision making, contribute to policy development and take responsibility for operational effectiveness.
Collaborate closely with other functions/ business divisions.
Lead a team performing complex tasks, using well developed professional knowledge and skills to deliver on work that impacts the whole business function.
Set objectives and coach employees in pursuit of those objectives, appraisal of performance relative to objectives and determination of reward outcomes
If the position has leadership responsibilities, People Leaders are expected to demonstrate a clear set of leadership behaviours to create an environment for colleagues to thrive and deliver to a consistently excellent standard. The four LEAD behaviours are: L – Listen and be authentic, E – Energise and inspire, A – Align across the enterprise, D – Develop others.
OR for an individual contributor, they will lead collaborative assignments and guide team members through structured assignments, identify the need for the inclusion of other areas of specialisation to complete assignments.
They will identify new directions for assignments and/ or projects, identifying a combination of cross functional methodologies or practices to meet required outcomes.
Consult on complex issues; providing advice to People Leaders to support the resolution of escalated issues.
Identify ways to mitigate risk and developing new policies/procedures in support of the control and governance agenda.
Take ownership for managing risk and strengthening controls in relation to the work done.
Perform work that is closely related to that of other areas, which requires understanding of how areas coordinate and contribute to the achievement of the objectives of the organisation sub-function.
Collaborate with other areas of work, for business aligned support areas to keep up to speed with business activity and the business strategy.
Engage in complex analysis of data from multiple sources of information, internal and external sources such as procedures and practises (in other areas, teams, companies, etc)to solve problems creatively and effectively.
Communicate complex information. 'Complex' information could include sensitive information or information that is difficult to communicate because of its content or its audience.
Influence or convince stakeholders to achieve outcomes.
All colleagues will be expected to demonstrate the Barclays Values of Respect, Integrity, Service, Excellence and Stewardship – our moral compass, helping us do what we believe is right.
They will also be expected to demonstrate the Barclays Mindset – to Empower, Challenge and Drive – the operating manual for how we behave.