Network Engineer

CACI International Inc is an American multinational professional services and information technology company headquartered in Northern Virginia. CACI provides expertise and technology to enterprise and mission customers in support of national security missions and government transformation for defense, intelligence, and civilian customers. CACI has approximately 23,000 employees worldwide. Headquartered in London, CACI Ltd is a wholly owned subsidiary of CACI International Inc., a publicly listed company on the NYSE with annual revenue in excess of US $6.2bn. Founded in 2022, CACI India is an exciting, growing and progressive business unit of CACI Ltd. CACI Ltd currently has over 2000 intelligent professionals and are now adding many more from our Hyderabad and Pune offices. Through a rigorous emphasis on quality, the CACI India has grown considerably to become one of the UKs most well-respected Technology centres. The Role A Network Engineer is required to join the UK Deployment Team, supporting the planning, delivery and deployment of customer network infrastructure. The team delivers network and security projects that enhance client infrastructure and ensure it can meet current and future business demands. Key responsibilities: Plan, manage and deploy technology changes to support DC services Deploy LAN infrastructure to support end user services requirements Includes patching schedules for facilities to cable network equipment Diagrams for Network Operations Inventory management Create implementation plans for RFC’s to a high level of detail. Correctly document pre and post checks for change verification purposes Understand and document back out plans, clearly identifying back out points. Identify points of no return Support the stability and uptime of essential services by planning changes with a documented best approach mind set. Identify where changes can be complete with zero downtime to hosted services. Plan and implement changes with a cost effective resource strategy. Identify, understand and document change risks and mitigation tactics. Identify, understand and document impact of planned technology changes, including documentation expected output from verification. Document network estate for Operation Support and to support change planning Peer review and validation of technical deployment plans Provide constructive feedback to peers to support change control requirement and maintain high standards of detail and quality offered by CACI. Core skills, knowledge and experience required Strong Routing & Switching knowledge Routing expertise including OSPF, BGP, EIGRP, summarisation, redistribution, route maps and path selection. Experience in configuring VLAN trunking, EtherChannel, Layer 2 redundancy. Enterprise LAN, WAN and data centre architecture experience. Data centre technologies including Cisco Nexus, Catalyst, vPC, VXLAN/EVPN, ACI and fabric architectures. Network migration and transformation projects Analyse, review and understand network topologies. Experience in designing rack layouts, structured cabling for medium DCs. Coordinate multiple projects, change management and governance efficiently working both independently and as a member of a team. Strong TCP/IP, subnetting, VLAN, VRF, ACL, NAT, DNS and DHCP knowledge. Advanced troubleshooting using packet captures, logs, flow data and monitoring tools. Resilient network design including HSRP/VRRP, port-channeling and redundant uplinks. Firewall, security zoning, rulebase and traffic-flow validation experience. Produces LLDs, implementation plans, test plans, handovers, as-built documentation and network diagrams. Good customer facing skills with the ability to keep the customer informed at all times and understand their requirements Desirable skills (not essential) Automation / scripting experience in python Exposure to Ansible, Terraform, YAML, NetBox, Git or CI/CD pipelines. Expected behaviours We have a structured performance management framework which measures continual attainment against key personal behaviours. We believe this is an important part of our success and culture. Joining as a team member we expect you to act as a role model and exemplar against these behaviours which are to be: Proactive Adaptable Flexible A team player Reliable