Senior Networks Infrastructure Engineer – NCA – SEO – Manchester Digital Location: Stratford (London) – interim work from Vauxhall or other reasonable location until the Stratford site becomes operational by March 2026. Also optional: Warrington. About the Job We are currently looking to recruit a Senior Networks Infrastructure Engineer to work within the Targeted Interception (Domestic) Engineering team, which forms part of the Specialist Operational Services function. The Specialist Operational Services (SOS) team works within the wider DDaT Enterprise Services function and runs and maintains the NCAs most sensitive operationally focused front‑line IT services. The team is comprised of IT professionals, law enforcement and staff with a technology focused mind‑set, willing to go that extra mile to achieve real world benefits for the UK. Together, we ensure that specialist services are fit for purpose, agile, delivered 24/7 and have a direct impact on the NCAs mission of protecting the public from serious and organised crime (SOC). Through developing and provisioning of cutting edge technology services, the SOS function will enhance intelligence collection, surveillance and digital forensics capabilities to support the Agency’s fight against serious and organised crime. The SOS function brings together Digital Forensics and Targeted Interception services which include International deployments. Additional teams and specialist services are also being identified to move into this Engineering function so the Agency is able to respond proactively to the changing nature of the SOC threats. The Targeted Interception Engineering function is responsible for deployment, configuration and support of hi‑end technical capabilities including infrastructure, networking and software used within Integrated Communications Intelligence (ICI) department, wider policing partners including the National Police Chiefs Council (NPCC) and Metropolitan Police Service (MPS) and overseas partners. Targeted Interception Engineering leads on specifying, designing, developing, delivering and supporting new technical capabilities and for the requirements capture to make use of raw intelligence material for ICI and partners. The Digital Forensics (DF) engineering function is responsible for deployment, configuration and support of hi‑end digital forensics tools including infrastructure, networking and software used within the Investigations department and overseas partners. Job Description The purpose of the Senior Networks Infrastructure Engineer role is to ensure critical Intelligence Collection capabilities are delivered and maintained effectively to ensure they meet the NCAs evolving operational demands. Working in a small team of highly enthusiastic IT professional staff, transferring skills within the team will ensure we are better placed to look after the TI Intelligence networks to provide full critical support, upgrades, development and maintenance. Responsibilities:

Delivering 1st, 2nd and mainly 3rd line support of technical systems to a professional standard, adapting to and meeting user requirements. Have an in‑depth knowledge of the network protocols; install new network hardware and configure including patching of all network elements. Working knowledge of the Fortigate, CISCO and Dell hardware primarily. Maintain and upgrade systems in line with technical requirements for ICI. Ensure systems are accredited and documented with high‑ and low‑level designs. Travel between sites is regularly required; a full, clean UK driving licence is essential. Subject to an on‑call rota. Aligns to Senior Infrastructure Engineer within the Government Digital and Data career framework.

Duties And Responsibilities

Business as usual support – deliver 3rd line support of SOS systems, meeting user requirements and service levels; support 1st and 2nd line functions if required. Specification of hardware – match business requirements to hardware specifications. Installation of hardware – rack and cable hardware to industry best practice, asset management, licensing. Notification of obsolescence – early identification and funding/approval to avoid outages. Create and maintain system documentation – technical designs and HLD/LLD. Continual Improvement – research technology advances to meet business needs. Patching and upgrades of network equipment – deploy and test software patches. Configuration of network equipment – knowledge of configuration for various network devices. Support the wider SOS team – mentorship and training. Assist in project work – lead new technology projects. Interception principles – basic understanding of telecommunications interception. Infrastructure problem solving – basic understanding of infrastructure for network/server issues. Knowledge of Fortigate, CISCO and Dell firewalls – configuration, patching, support, fault finding, upgrading.

Virtual Open Evening Event To find out more about the role and the application process we will be holding a virtual opening evening via MS Teams on Wednesday, 22nd October 2025 at 6:00 p.m. The event is by invitation only. Please register by clicking on the link below. Registration closes on Sunday, 19 October 2025 at 11:00 p.m. Person specification

Understanding of servers, storage systems and configuration – in‑depth knowledge of IT hardware; installation and configuration of operating systems including virtualised environments. Problem solving – use logic and imagination to find intelligent solutions. Communication – convey information clearly and effectively. Team work – work effectively with others to achieve joint outcomes. Adaptability – learn quickly in a fast‑moving agile environment. Fault finding – troubleshoot and provide resolution for system incidents; record and share knowledge where appropriate.

On‑call working The post holder may be required to participate in a 24/7 on‑call rota. On‑call duties are remunerated in accordance with the on‑call allowance policy. Essential Criteria You must meet the essential criteria and evidence this within your application to be considered for the role. Entry Requirements

An in‑depth knowledge and experience of network equipment including configuration and installation. Experience in the configuration and patching of Fortigate, CISCO and Dell firewalls and switches. Experience in maintaining and fault‑finding a network located across multiple sites.

Licences A full, clean UK driving licence is required. Behaviours

Managing a quality service. Delivering at pace.

Seniority level Mid‑Senior level Employment type Full‑time Job function Information Technology Industries Technology, Information and Internet #J-18808-Ljbffr