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Senior Network Software Engineer

Leidos

Company : Leidos

Location : Sierra Vista, AZ

Posted Date : 14 October 2025

Job Type : Other

Category : Software Development

Occupation : Software Engineer

Job Details

Description

Join our dynamic AGUN team as a Senior Network Software Engineer, where your expertise will contribute to the Army's critical global wide area network and security infrastructure. This role involves supporting a complex network migration and operations for the US Army, with a focus on delivering exceptional service.

Program Summary:
The AGUN program presents a challenging mission, requiring expert technical and management skills. You will be essential in resolving service tickets, creating automated workflows, and providing operational support for a global network.

Eligibility Requirements:
You must be capable of working in a rotating shift pattern to qualify for this position. Additionally, you must currently hold and maintain an active DoD SECRET security clearance (U.S. Citizenship required).

Key Responsibilities:

  • Manage and maintain secure network solutions for a centralized enterprise capability for the US Army.
  • Support 24x7x365 AGUN operations by providing updates for the Global Cyber Center (GCC) to ensure effective command and control of the AGUN network.
  • Implement standard policy and configuration changes to optimize AGUN network operations.
  • Manage service tickets in JIRA Service Desk and GCC Service Now, ensuring timely updates and communication.
  • Provide status updates and situational awareness regarding ticket resolution.
  • Escalate complex tickets through the JIRA Service Desk as needed.
  • Collaborate with stakeholders and technical experts to assess current capabilities and configurations, providing tier III support.
  • Investigate and propose network optimization strategies to enhance capacity and performance.

Basic Qualifications:

  • Bachelor's degree with 8+ years of experience or Master's degree with 6+ years of experience (additional relevant experience may be considered in lieu of a degree).
  • Possess DoD IAT Level II certification (e.g., Security+) or equivalent prior to starting.
  • Experience in supporting Cisco SDWAN.
  • Familiarity with Software Defined Networking (SDN) concepts.
  • Proficient in virtualization technologies, especially VMware.
  • Experience with Red Hat operating systems.
  • Hands-on experience with InfoVista.
  • Working knowledge of vendor technologies such as Cisco, Juniper, Palo Alto, Dell, or AppGate.
  • Experience using ServiceNow.
  • Solid understanding of networking concepts, including LAN, WAN, BGP, TCP/UDP, IPSec, VPN, and Routing (L2/L3).
  • Experience with enterprise network management tools like Palo Alto Panorama, Cisco Prime, or similar.
  • Familiarity with protocols: SFTP, SSH, SCP, SNMP, NTP.
  • Strong teamwork capabilities for troubleshooting and resolving complex network issues.
  • Excellent written and verbal communication skills.

Preferred Qualifications:

  • Certified Cisco Network Professional (CCNP) or equivalent certification.
  • Experience in Linux shell scripting.
  • Familiarity with GitLab and CI/CD pipeline development.
  • Experience with JIRA and Confluence.
  • Skills in managing trouble tickets and escalations effectively.
  • Experience with NetSecOps technologies such as Ansible, Terraform, or similar.
  • Proficiency in Network Performance Management tools.
  • Expertise in any of the following: Netflow, Elastic, Kafka, Grafana, or Prometheus.
  • Strong knowledge in designing and improving complex enterprise networks.
  • Comprehensive understanding of US Army security requirements for network infrastructure.

If you are proactive, passionate about network engineering, and eager to innovate, we encourage you to apply and be part of a team that is shaping the future.

Location for the position will be disclosed upon application.

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