About PentenAmio PentenAmio is a multi-award winning cyber technology company dedicated to strengthening our nation’s security and prosperity through new and innovative technology. Our advanced hardware and software products and services support our clients with Secure Mobility, Applied Artificial Intelligence and Innovation and Technical Services Solutions. To find out more visit our website at pentenamio.com. Typical Activities Working in collaboration with Project Delivery teams across Engineering Build Teams, Managed Services, Programme Delivery and Production teams supporting delivery outcomes for all stakeholders and customers. Configuring, deploying and maintaining network devices including a variety of switches router and firewalls (Cisco, Juniper, Fortinet). Deploying and maintaining advanced routing solutions with protocols such as BGP and OSPF. Managing cloud networking in AWS including hybrid deployments, e.g. AWS Direct Connect. Applying security hardening and baselines to network appliances. Implementing and maintaining firewalls & VPN configurations. Analyzing traffic patterns using industry standard tools to support fault finding, bandwidth optimisation and assist with capacity Creating and maintaining network diagrams including both HLDs and LLDs. Applying patches and updates to network hardware and software to maintain security and performance. Deploying and maintaining air gapped networks. Ensuring security hardening best practices are followed and that these remain up to date in various environments. Designing, planning and deploying network infrastructure to support project delivery & internal IT teams. What we're looking for Proven experience designing, implementing, and troubleshooting enterprise-level network infrastructures. Strong experience with Border Gateway Protocol (BGP) implementation, configuration, and troubleshooting in enterprise environments. Strong knowledge of networking protocols and concepts including TCP/IP, OSPF, BGP, EIGRP, VLANs, VPNs, QoS, and HSRP. Certified to CCNP level or above, or equivalent vendor specific certification. Ability to create and maintain comprehensive network documentation, and diagrams (high level and low level designs). Expertise in configuration and management of networking devices (Cisco) including routers, switches, firewalls, and load balancers. Experience with cloud networking technologies and architectures (AWS). Desirable skills: Automating network configurations and deployments using infrastructure-as-code (IaC) tools e.g. Ansible, Terraform, or Python scripts. Monitoring and logging network performance using tools like Prometheus, Grafana, or ELK stack. Experience with developing and maintaining air gapped networks. Experience with Voice over IP (VoIP) technologies including SIP, RTP protocols, and implementation/management of Cisco Unified Border Element (CUBE) or similar voice gateways. Qualifications & Eligibility To be eligible for this position you must: Be an British citizen; and Hold or be able to obtain a NSV-DV clearance. Substantial previous experience as a Network Engineer – ideally 5 years. Why Work at PentenAmio? At PentenAmio, we value our employees and offer a comprehensive benefits package, including: Life Insurance - X4 Salary Private Health Scheme with no medical history checks, excess, or treatment limits EV Salary Sacrifice scheme Salary Sacrifice Company Pension, matched up to 10% 25 Days Holiday Bank/Public Holidays Option to buy an additional 37.5 holiday hours Cycle to Work scheme Coffee & Cake mornings every fortnight Enhanced Maternity & Paternity leave Team Away Days Additional perks: Free on-site parking Free Flu Vaccination Casual dress code Free fruit in the office Health & Wellbeing program PentenAmio is committed to providing equality of opportunity for all. We aim to ensure our workplaces are free from discrimination and that our current and future colleagues, are treated fairly and with dignity and respect. Please inform us of any reasonable adjustments that we may need to make. This role / position description is to serve as a guide. It is intended to be flexible and will continue to evolve over time with business needs and demands and may be updated periodically at the Company’s discretion.