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Leidos

Builds technology for defense and civil agencies

Network Engineer

Network Engineering & AdministrationConfirmed live in the last 24 hours
Full-time$73.5k - $132.8kIn-person

About the Job

Requirements

  • A bachelor's degree in a technical discipline and at least 3 years of relevant technical experience, or an associate's degree in a technical discipline and at least 7 years of relevant technical experience, or at least 11 years of specialized relevant technical experience in lieu of a degree.
  • At least 5 years of practical network engineering experience in mid-to-large-scale enterprise or military environments.
  • Strong programming or scripting ability with Python, Go, or PowerShell.
  • Hands-on experience with automation and orchestration tools such as Ansible, VMware Aria Suite, and ServiceNow.
  • Experience with Infrastructure as Code, particularly Terraform.
  • Must meet the DoD 8570/8140 IAT Level II baseline certification requirement, such as Security+ CE.
  • U.S. citizenship is required.
  • Active Top Secret clearance with SCI is required.

Responsibilities

  • Deploy, configure, and maintain secure DoD enterprise and datacenter network infrastructure, ensuring high availability and mission readiness across geographically dispersed sites.
  • Design, implement, and maintain highly reliable and scalable network systems.
  • Configure and maintain complex enterprise routing and switching environments using standard protocols and advanced transport methods, including DMVPN and MPLS Segment-Routing.
  • Manage and troubleshoot datacenter network fabrics using Cisco ACI and Cisco Nexus switching platforms.
  • Deploy, manage, and update Palo Alto and Cisco Firepower firewalls, including Panorama and FMC centralized management platforms.
  • Administer Cisco Identity Services Engine for secure endpoint access, policy enforcement, and Zero Trust architecture support.
  • Architect, deploy, and maintain General Dynamics GEM One management infrastructure to centrally monitor and administer a global fleet of High Assurance Internet Protocol Encryptor devices.
  • Perform remote device provisioning, configuration, and secure key management for Type 1 encryptors such as TACLANE-Micro and TACLANE-FAS via GEM One.
  • Develop automation frameworks and use network automation tools, including Ansible, Python, and REST APIs, to streamline deployments and support Software-Defined Access.
  • Maintain core network services, including F5 load balancers and Infoblox for DNS, DHCP, and IP address management.
  • Proactively identify and resolve performance bottlenecks and single points of failure.
  • Create a roadmap for maturing DevOps practices and drive adoption of Infrastructure as Code using Terraform.
  • Gather and analyze metrics for performance tuning, fault discovery, and after-action reporting.
  • Work with operations teams to build automation use cases and improve reliability through rigorous testing and release procedures.

Desired Qualifications

  • Formal training or certification in General Dynamics GEM One administration and TACLANE operations.
  • CCIE, CCNA, CCNP, or equivalent enterprise networking certification.
  • Experience with Software-Defined Access and advanced network automation frameworks.
  • Experience with Cisco Application Centric Infrastructure.
  • Proven success modernizing operations through automation and orchestration.

About the Company

Leidos

Builds technology for defense and civil agencies

Leidos develops technology and runs services for defense, intelligence and civilian agencies, as well as healthcare and commercial customers. It combines software and engineering work with systems integration, building secure networks and equipment used in demanding operations. Its portfolio includes medical services, energy infrastructure design and technology that supports military missions, linking specialist businesses under one parent. Customers pay through contracts for delivered systems and services, with payment tied to labor, costs or agreed project milestones. Leidos traces its roots to a company founded in 1969 and is headquartered in Reston, Virginia.

Company size
10,001+
Company stage
IPO
Headquarters
Reston, VA
Founded
1969

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