Senior Network Engineer Deputy Team Lead

Leidos•Washington, DC

5d•Onsite

About The Position

Leidos Digital Sector is seeking an experienced Senior Network Engineer Deputy Team Lead to support mission-critical, enterprise-scale network infrastructure on the AFNCR ITS program at Joint Base Anacostia-Bolling (JBAB). The role provides end-to-end administration, deployment, security, and operational reliability for classified and unclassified core network hardware, boundary protections, High-Assurance IP Encryptors (HAIPEs), and data center switches. The position delivers network engineering, infrastructure administration, and cybersecurity hardening across unclassified (NIPR) and classified (SIPR) enterprise environments. In a high-tempo defense environment, the engineer helps ensure network availability, rapid fault isolation, and compliance with Department of War (DoW) directives and operational security mandates. The Deputy Team Lead serves as the Team Lead’s primary alternate and assumes operational control of shift workflows, task allocation, and daily priorities when the Team Lead is absent. The work schedule is Monday through Friday, 10:00 a.m. to 6:00 p.m. (core shift), with participation in an on-call/operational standby rotation.

Requirements

Typically requires a bachelor’s degree and 8 or more years of prior relevant experience, or a master’s degree and 6 or more years of prior relevant experience; additional applicable experience may be accepted in lieu of a degree.
Must hold and maintain an active DoD Secret clearance.
Must meet DoD 8140 IAT Level II or III baseline certification requirements; certifications listed are CCNA and CompTIA Security+ CE.
Expert-level proficiency configuring and troubleshooting VLANs, VTP, port security, STP/RSTP/MSTP, 802.1Q trunking, and Layer 2/Layer 3 EtherChannels.
Extensive hands-on experience designing, implementing, and diagnosing EIGRP, OSPF, and IS-IS dynamic routing protocols.
Demonstrated success troubleshooting physical (Layer 1) and data link (Layer 2) transport fabrics across unclassified and classified enclaves.
Hands-on experience configuring, keying, and administering KG-17XX series encryptors, HAIPE devices, and GEM-X management systems.

Nice To Haves

Direct hands-on administration of Cisco Identity Services Engine (ISE) for 802.1X network access control and policy enforcement.
Experience deploying and managing software-defined infrastructure using Cisco Catalyst Center (DNA Center).
Operational familiarity with Air Force District of Washington (AFDW), Air Force National Capital Region (AFNCR), or unified Air Force communications architectures.
Experience delivering enterprise IT and communications support within high-security National Capital Region campuses, such as The Pentagon, Joint Base Andrews (JBA), or Joint Base Anacostia-Bolling (JBAB).

Responsibilities

Serve as the primary alternate to the Team Lead and assume operational control of shift workflows, task allocation, and daily priorities in the Team Lead’s absence.
Monitor enterprise network infrastructure and transport systems for real-time alerts, hardware alarms, and traffic anomalies.
Triage, isolate, and remediate Layer 1 through Layer 3 network incidents using established SOPs and automated network scripts.
Escalate complex, cross-domain, or multi-system outages to senior leadership and advanced engineering teams, providing comprehensive troubleshooting logs.
Provision, deploy, configure, and optimize enterprise-class routers, multilayer switches, and associated network appliances to maintain performance and redundancy.
Execute Cisco IOS/IOS-XE operating system upgrades and fleet firmware refreshes.
Coordinate with telecommunications carriers and hardware vendors to troubleshoot circuit degradation, resolve carrier outages, and conduct loopback testing.
Plan, coordinate, and execute Authorized Service Interruptions (ASIs) in accordance with command-directed change management processes.
Apply DoW and local command cybersecurity directives, including STIGs, and remediate IAVM and patching vulnerabilities.
Program, maintain, and manage Type-1 Inline Network Encryptors (INE), such as TACLANE, at network Points of Presence using GEM-X or adjacent DoD element management suites.
Follow DoD Communications Security (COMSEC) material handling, accountability, and two-person integrity protocols.
Lead technical execution for site modernization initiatives, lifecycle technology refreshes, and special engineering projects.
Participate in unit on-call rotations to provide rapid surge support for critical operational outages.