Senior Network Infrastructure EngineerSt Neots Perm Full-Time - on site Salary £40,000 to £60,000 25 days annual leave inclusive of up to 3 days December shut down Buy or sell up to 5 days annual leave Two pension schemes to choose from Private Medical & Dental Insurance discounts for additional family members Life Assurance scheme up to 4 x salary Multiple Save schemes Share Save scheme Electric/Hybrid Car leasing scheme Cycle to work scheme Retail discounts Continuous Professional development support Annual Wellness Allowance Our Digital Services Group (DSG) is a diverse business unit that provides a wide variety of digital capabilities and is responsible for satisfying the technological requirements of the most secure settings. Joining forces with our Electronic Warfare Operations Support Group (EWOS), which is made up of over 60 electronic warfare professionals from a variety of backgrounds. We are building a new team at a state-of-the-art test and evaluation facility at our head office in Cambridgeshire. We are looking for a network infrastructure engineer with five years of experience. Providing your extensive knowledge on how to gather system demands from non-technical stakeholders and translate them into technical specifications. Working autonomously with unprecedented customer access, cutting-edge technology, and industry-leading practices. Your experience will help through the entire engineering lifecycle of a secure network, including requirements capture, system design, implementation, testing, commissioning, and maintenance. Using your deep understanding of Windows Server 2022/2025 and network architecture, you will manage and create the IT infrastructure of a revolutionary synthetic test & evaluation system. Demonstrating your multi-vendor network and IT system experience while providing 3rd-line support to meet the demands of the business. Acting as a mentor, you will coach colleagues with less experience in completing projects on time and in accordance with the change management procedure. Essential: Ability to install and configure Windows Server 2022/2025 technologies, including WSUS, Active Directory, Group Policy, DHCP, NPS, LDAPS, LAPS, AppLocker, Certificate Authority (Public Key Infrastructure), Smart Cards, File Servers, KMS, and WDS/MDT. Windows 10/11 Experience with FortiGate Firewalls and Switch protocols, including Cisco (CCNA level required). Working knowledge of virtualization technologies including Hyper-V, vSphere, and VMware. Experience with Dell SANs (including iSCSI, Raid) and Dell Servers Experience using Software such as: Nessus, Ad Audit Plus, Siem, Wireshark, SQL Server, and Jira Service Desk Management Networking: Routing Protocols (OSPF) Multicast QoS Layer 2 Protocols (RSTP, VLANs, Port Channels, Trunking, Storm Control, BPDU Guard) Security (802.1x, Port Security, IPSec VPN, access control lists, SSH, Radius, ARP inspection, DHCP Snooping, GRE, LADPS and SAML) Experienced with WSUS, backup technology, and monitoring tools. (SNMP, NetFlow/SFlow, logging, and WMI). Experience with fibre connectivity Familiar with Subnetting Experience using VoIP and video conferencing systems Excellent troubleshooting skills; must be able to solve problems independently Desirable: In addition, it is desirable for you to have one or more of the following abilities and be willing to learn new technologies, such as: Linux (Ubuntu) operating system experience GitLab Ansible CATAPAN Familiar with CIS benchmarks PRTG Software experience Veeam Software experience Familiar with SCRUM Wellbeing is at the heart of our culture, helpingpeople to thrive and reach their full potential. Our employees are important to us, and we take pride in our wellness programmes and policies that supportindividuals, such as mental health first aiders and readily available support through our extensive employee assistance programme Our non-negotiables: Due to the highly secure nature of the projects that you will be involved with, youmust be: A UK National and eligible to work in the UK Eligible to obtain and maintain a UK GovernmentDV-levelsecurity clearance Apply today to see how working for MASS could work for you! ADZN1_UKTJ