AJ Bell
Senior Infrastructure Engineer
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Job Description
The Senior Infrastructure Engineer is responsible for designing, delivering, supporting and maintaining secure, resilient and supportable infrastructure solutions across AJ Bell’s technology estate.
The role acts as a senior technical contributor within the Infrastructure team. It owns technical design and delivery for medium-sized infrastructure changes and projects, understands dependencies between systems and workstreams, guides Infrastructure Engineers, and ensures work is delivered in line with agreed standards, controls and security expectations.
The Senior Infrastructure Engineer is expected to be highly technically skilled and experienced across multiple infrastructure technologies. The role balances hands-on delivery with planning, technical leadership, stakeholder communication, operational support, documentation, risk awareness and security-focused best practice.
The role supports the reliability, security, scalability and maintainability of AJ Bell’s infrastructure services, while supporting and enabling the business to achieve its regulatory requirements, including Consumer Duty.
Competence and Knowledge
Competence
- Strong experience in an Infrastructure Engineer or similar technical role, preferably gained in a Financial Services, regulated or business-critical technology environment.
- Experience designing, delivering and supporting production infrastructure services.
- Ability to own technical design and delivery for medium-sized infrastructure changes or projects.
- Strong understanding of dependencies between infrastructure technologies, applications, networks, identity, security and operational processes.
- Ability to troubleshoot complex technical issues and support timely incident and problem resolution.
- Experience producing technical documentation, implementation plans, support handover material and standards documentation.
- Experience working within change control, operational governance and service management processes.
- Strong communication skills, including the ability to explain technical risks, decisions and trade-offs clearly.
- Ability to coach, guide and support less experienced engineers.
- Ability to manage competing priorities and deliver work to agreed timescales.
- Strong understanding of security, resilience, monitoring, capacity and maintainability considerations.
- Experience working with suppliers and third-party support providers where required.
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Knowledge
- VMware technologies including Dell VxRail hyperconverged infrastructure, Aria Suite, NSX, HCX, vSAN, VCF and VMC.
- Load balancing technologies such as VMware AVI, NSX or equivalent.
- Fortinet SD-WAN and firewall technologies, FortiManager, FortiAnalyzer and FortiClient VPN or equivalent.
- Microsoft Windows Server and Red Hat Enterprise Linux server configuration and management.
- Monitoring and observability tooling such as SolarWinds, Opsgenie, Grafana, Prometheus or equivalent.
- Storage, backup and disaster recovery technologies, including SAN/NAS, replication, snapshotting and recovery testing concepts.
- Identity and access technologies such as Active Directory, ADFS, SSO and MFA.
- Cisco networking technologies, Cisco ISE and Catalyst Centre or equivalent demonstrable networking experience.
- Infrastructure performance and capacity monitoring, planning and remediation.
- AWS, Azure, Kubernetes, container platform concepts and cloud-based infrastructure patterns desirable.
- Infrastructure as Code, automation, scripting and CI/CD practices desirable with experience of Terraform preferred
- Security tooling and practices including patch management, vulnerability management, SIEM, EDR, PAM and micro-segmentation desirable.
- ITIL service management and PRINCE2, Agile, Scrum or equivalent project delivery experience beneficial.
Personal and other skills
- Able to manage complexity and ambiguity, seeking the information and perspectives required to make effective decisions.
- Demonstrates good judgement, ownership and self-awareness when balancing business need, risk, security and operational impact.
- Focuses on customers by protecting service reliability, supporting agreed service levels and improving customer experience.
- Understands the link between Infrastructure, wider Technology Services teams and business outcomes.
- Engages others effectively through clear communication, constructive challenge, useful feedback and knowledge sharing.
- Makes good decisions by considering evidence, technical options, wider consequences and long-term maintainability.
- Works as part of a team to drive improvements, reduce operational risk and support long-term changes
- Builds and maintains strong working relationships across the Technology Services department and wider business.
About AJ Bell
At AJ Bell, we believe investing should feel good. Whether you're looking for an ISA, pension or dealing account, whether you want to invest with the help of a financial adviser or do it yourself, we have easy-to-use solutions to suit people from all walks of life.
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We're one of the UK's fastest-growing investment platform businesses, trusted by everyone from professional financial advisers to first-time investors.
Today, over 762,000 customers trust us to manage more than £121.5 billion of assets. By continually striving to make investing simpler and more accessible, we're helping more people take control of their financial futures.
We're proud to be recognised as one of the UK's Best 100 Companies to Work For for six consecutive years, and a Great Place to Work® in 2025 and 2026, a reflection of our supportive and collaborative culture.
What we offer
- Competitive starting salary
- 26 days holiday, increasing with service + buy/sell scheme + bank holidays
- 7% Pension with matched contributions
- Discretionary bonus scheme
- Share schemes (including free shares and BAYE)
- Health Cash Plan and discounted private healthcare
- Free gym
- Enhanced family leave (subject to qualifying criteria)
- Travel and bike loan schemes
- Employee Assistance Programme
Life at AJ Bell
- Regular social events including summer and Christmas parties
- Learning and development opportunities tailored to you
- Casual dress code
- Friendly, supportive team environment
Our ways of working
At AJ Bell, our people are the heart of our culture. We believe in building strong connections by working together. That's why we offer a hybrid working model, where you'll spend a minimum of 50% of working time per month in the office. For new team members, an initial period will be spent full-time in the office to help you immerse yourself in our business and build valuable relationships with your colleagues.
Inclusion & diversity
We’re committed to creating an inclusive environment where everyone feels respected, supported and able to be themselves at work.
We welcome applications from all backgrounds and make hiring decisions based on skills, experience and potential.
Agency information
This vacancy is being managed exclusively by our in-house Recruitment team. We are not partnering with recruitment agencies on this opportunity and will only accept applications submitted directly by candidates.
Business Areas: Technology Services
Location: Manchester
Department: Service Delivery and Infrastructure
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