June 18, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. This role is responsible for developing network and security architectures, creating firewall designs and schematics, building and integrating supporting server infrastructure, and coordinating testing and validation activities with ADMS stakeholders.
li>Proven experience and success with planning, installing and managing networks including LAN, MAN, WAN, Optical Networking, Silverpeak SDWAN Optimizers, F5 Load Balancers, iRules, F5 Global Traffic Manager, Infoblox/BloxOne, Illumio, Checkpoint firewalls, Checkpoint Identity Collector, VPN, DMZ, IDS/IPS, Zscaler Web Proxy, content filter, NAC and Cisco ISE, Ciena DWDM, 100 Gig optics, DNS Traffic Control, Cisco ACI & NXOS, SDN, network segmentation, Cisco Catalyst center, Cisco CLI, ACL management, SNMP MIB's, Aruba wireless controllers and AP's, SSL certificate creation and management, DNS Domain registration, Citrix Netscaler, VMware NSX, network taps, Extrahop. The firm has approximately 2,500 lawyers and professionals serving clients in major centers of business, finance, technology, and government in Boston, Chicago, Dublin, Hong Kong, London, Los Angeles, Milan, New York, Paris, San Francisco, Seoul, Shanghai, Silicon Valley, Singapore, Tokyo and Washington, D.C.
The firm has consistently been recognized for its leading practices in many areas, including asset management, private equity, M&A, finance, real estate, tax, antitrust, life sciences, health care, intellectual property, litigation & enforcement, privacy & cybersecurity, and business restructuring.
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To build and maintain infrastructure platforms and products that support applications and data systems, using hardware, software, networks, and cloud computing platforms as required with the aim of ensuring that the infrastructure is reliable, scalable, and secure.