Job Title: Infrastructure Engineering Specialist

Due to the sensitive nature of this role, you will be required to undergo DV (Developed Vetting) level Security Clearance. An allowance of £5,000 per annum may be payable monthly while you hold this DV and continue to work in a role that requires that level of security clearance. The terms of this allowance will be made available if you are successful in being recruited into this role.

This role requires DV Clearance and will be onsite 5 days a week in either London or Ipswich.

About The Role

Our team develops, maintains and operates big data platforms for one of our major customers. The platforms comprise big data storage technologies such as Apache Hadoop, Ceph, OpenSearch and Elasticsearch, and a significant number of in-house developed applications in PySpark, Scala and other languages to simplify user interactions. These are built on a large remote Linux (predominantly) estate. The platform supports a suite of tools for storing, enriching, querying and visualising large amounts of data. Requirements can change at short notice, so the team uses a DevOps methodology to react to changes and continue to provide the best customer service.

What You’ll Be Doing

- Responsible for 24 x 7 platform support including ongoing monitoring enhancements via scripting of custom tests and deployment/adaptation of built-in monitoring.
- Manage project relationship with 24x7 monitoring teams both internal and external.
- Monitor and track platform performance and power utilisation.
- Strong communication skills working with individuals and teams at all levels (up to CTO and senior customers).
- Produce and deliver training for the platform support teams. Onboard new members of the support team.
- Work closely with customers and internal stakeholders to plan outages and platform support & availability reporting, including equipment and service upgrades while maintaining minimal if not zero outage deployments/upgrades.




- Produce monthly platform reports tailored to customers' evolving requirements.
- Own thousands of assets across the full lifecycle from order to decommissioning and destruction.
- Deliver future site expansion capability – managing deliveries across multiple sites and building the hardware and software stacks to evolving designs.
- Participate in the on‑call 24/7 rota, 1 week in 4.

Essential Skills / Experience

- Excellent communication skills.
- Ability to work to strict time constraints due to customer priorities.
- Ability to multitask due to rapidly changing priorities.
- Server hardware installation, maintenance and management.
- Linux administration (Rocky).
- Proxmox (including HA and Ceph stores).
- Python/Scala Spark, Ceph and/or HDFS.
- OpenSearch/Elasticsearch cluster management. Operating system and firmware patching.
- Ability to critique design documents to improve outcomes or understand limitations where required.

Desirable Skills / Experience

- Network design/implementation (Cisco ASA/FTD and Dell OS10/SONIC).
- Check MK (Nagios) administration and monitoring including Nagvis and Business Intelligence (BI) development.
- Windows Domain Administration (Server 2022+).
- MariaDB (multi‑site replication, including active‑active).
- Knowledge of hardware/software based data boundary enforcement (diodes). Automated testing (Cypress & pytest) within CI/CD pipelines.
- Python 3/4.

Our Package

Tailored perks make a real difference. That’s why we offer a comprehensive range to support your growth, wellbeing and everyday life.

- 10% on target annual bonus
- Access to an online private GP 24/7 for you and your immediate family
- Market‑leading paid carers leave with up to 2 weeks off
- Equalised maternity, paternity, and adoption leave – 18 weeks’ full pay and 8 weeks’ half pay
- Discounted EE and BT products, including mobile and broadband
- Market leading pension scheme – 5% from you and 10% from us
- Holiday purchase scheme

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📌 Infrastructure Engineering Specialist (City of Ipswich)
🏢 Bt Group
📍 City of Ipswich