We'll inspire and empower you to deliver your best work so you can evolve, grow and succeed - today and into tomorrow. With more than 55,000 people in 40 countries, working with us offers an exciting range of opportunities to develop your career within a supportive and diverse team who always strive to do the right thing for our people, clients and communities. People are our greatest asset, and we offer a competitive package to retain and attract the best talent. In addition to the benefits you'd expect, UK employees also receive free single medical cover and digital GP service, family-friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes, plus reimbursement towards relevant professional development and memberships. We also give back to our communities through our Collectively program which incorporates matched-funding, paid volunteering time and charitable donations. Work-life balance and flexibility is a key focus area for us. We're happy to discuss hybrid, part-time and flexible working hours, patterns and locations to suit you and our business. About the opportunity We are seeking a highly skilled and versatile network engineer to join our Amentum International team. The role holder will possess expertise in hybrid environments (on-prem, Azure, SASE). The role holder will lead the design, implementation, and maintenance of resilient network infrastructure that ensures optimal reliability, scalability, and performance. Reporting to the Tech Services Manager, you will be working as a part of a small but highly proactive and passionate team providing remote and on-site network infrastructure support for our enterprise end users (internal users), across the UK, EMEA, APAC (approx. 7,500 users). You will also collaborate with colleagues at our USA central (HQ) technology team. The base office for this position is in Birchwood Park, Warrington. You will be required to visit the office weekly. Responsibilities Work across BAU operations and projects & programmes Design and deploy functional networks (LAN, WLAN, WAN) Configure and install software and network devices Monitor network performance and integrity Resolve support issues that have escalated by troubleshooting cloud and local infrastructure Automate tasks and monitor their effectiveness Create, oversee and test security measures (e.g. access authentication and disaster recovery) Communicate with users when needed Maintain complete technical documentation Suggest improvements to network performance, capacity and scalability Train and mentor other team members, to ensure cross-training / skilling Requirements F5 and Cisco Meraki skills and experience Solid background in network administration and architecture In-depth understanding of communication protocols (mainly TCP/IP) and routing protocols (e.g. BGP) Familiarity with access control models and network security Knowledge of coding languages for scripting (e.g. Python, Perl) is an advantage Experience with network diagnostic, monitoring and analysis tools (e.g. SolarWinds) Solid understanding of network operating systems (Cisco NX-OS, IOS-XE) Proven experience with Palo Alto firewalls (Panorama, PAN-OS, LSVPN) Highly experienced troubleshooting skills Several years of experience working within a large enterprise estate (5,000 users) Industry-related experience as a Senior Network Engineer or Network Administrator Professional certification (e.g. CCNP, CCDP) or proven knowledge on this level Our Culture Our values stand on a foundation of safety, integrity, inclusion and diversity. We put people at the heart of our business and we truly believe that by supporting one another through our culture of caring, we all succeed. We value positive mental health and a sense of belonging for all employees. Find out more We aim to embed inclusion and diversity in everything we do. We know that if we are inclusive, we're more connected, and if we are diverse, we're more creative. We accept people for who they are, regardless of age, disability, gender identity, gender expression, marital status, mental health, race, faith or belief, sexual orientation, socioeconomic background, and whether you're pregnant or on family leave. This is reflected in our wide range of Global Employee Networks centred on inclusion and diversity - ACE, Careers, Enlace, Harambee, OneWorld, Prism, Vetnet, and Women's - find out more about our employee networks here. We partner with VERCIDA to help us attract and retain diverse talent. For greater online accessibility please visit www.vercida.com to view and access our roles. As a Disability Confident employer, we will interview all disabled applicants who meet the minimum criteria for a vacancy. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team .