Senior Network Engineer

Description

The Digital Modernization Sector at Leidos has an opening for a Senior Network Engineer on the DISA Defense Red Switch Network team in support of an enterprise VoIP management system - GSM-O II contract at Fort Meade, MD
. The successful candidate will have a Network Engineering background responsible for designing, documenting, testing, deploying, and maintaining the IP network solutions within an enterprise environment on a high‑paced, fast‑moving program.

As a Network Engineer, the candidate will be a subject matter expert (SME) in all things related to the IP Network technologies, ensuring optimal performance, security, and scalability of WAN and LAN infrastructure across multiple environments (DEV/TEST and Production). The role includes providing technical assistance, administering configurations, upgrading software, developing and/or updating related documentation, ensuring applicable STIGs are applied and documented, conducting and supporting testing, recommending enhancements, and troubleshooting issues associated with network components.

Required security clearance: U.S. citizenship with an active TS/SCI.

• Work closely with DRSN engineers and site personnel for coordinating deployments and maintenance actions.
• Evaluate system network requirements and make appropriate technical recommendations.
• Proficiency with Juniper networking devices, including establishing remote management connectivity, updating operating systems, coordinating and performing verification tests (BER or burn‑in tests), configuring alarm and system profiles, and configuring/testing various layers of the OSI model.
• Assist IA personnel regarding network security and SSP maintenance to ensure network configuration meets all IA requirements.
• Perform installation, testing, and acceptance (IT&A) of network components directly through GUI/CLI or interface systems, guiding remote testing with on‑site field engineering support.
• Monitor network performance.
• Support deployments as required.
• Maintain expert knowledge of IP principles.

• Bachelor's degree with 12+ years of related experience or Master’s degree with 10+ years. Education and training may be considered in lieu of a degree.
• Experience remotely configuring networking or transport devices.
• Ability to map IP addresses and subnets for networking devices or create in‑band/out‑of‑band management connections.
• Ability to interpret network topology diagrams and proposed device configuration changes.
• Knowledge of configuring, deploying, and supporting HAIPE/NSA Type 1 Encryption devices and associated element managers.
• Knowledge of configuring network devices with element managers such as Juniper Space, Security Director, Juniper Routing Director, Solarwinds NCM.
• Security+ certification.
• Active Top Secret with SCI eligibility clearance.
• Current DoD 8570 certification at IAT level II (Security+ CE).
• Proficiency with Juniper IOS or other IP/transport specific management tools and general practices.
• Basic Linux administration or command‑line interface (CLI) and scripting skills.
• Experience with network device configuration management tools such as Ansible, Puppet, Chef, or Terraform.

• Experience managing configurations with Juniper Space, Routing Director, or Security Director.
• Expertise in IP technologies, networking architectures, methodologies, and Voice Services.
• Proficiency with at least two or more of the following devices: SONUS SBC, Juniper MX5 routers, Juniper SRX firewalls, Juniper EX switches, KG175, KG250, Ectocrypt Black.
• Proficiency with at least one of the following tools:
  Solar Winds or Junos Space.
• JNCIA or JNCIP certification.
• Proficiency with RADIUS, SNMP, and NTP protocols.
• General knowledge of TLS and PKI.

$ – $

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.