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Added 2 mins ago
TF
Principal Engineer
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- $161,436 to $218,415 USD / year
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- $90,000 to $125,000 USD / year
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Added 31 mins ago
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Software Engineer II
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Ann Arbor, MI
Added 35 mins ago
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Project Engineer - Commercial Construction
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Naperville, IL
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LEIDOS, INC.

Senior Network Support Engineer

Sierra Vista, AZ, United States

Pay Range $92,300.00 - $166,850.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary.

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Job details

Pay: Pay Range $92,300.00 - $166,850.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary.
Experience: Bachelor's degree with 8+ years of relevant experience, or a master's degree with 6+ years of relevant experience.
Posting language: English
Posted: Nov 6, 2026

Original job description

Program: Army Global Unified Network (AGUN) Work Schedule: Hybrid – 3 days onsite at the Global Cyber Center (GCC), 2 days remote Clearance Required: Active Secret Certification Required: DoD IAT Level II (Security+ or equivalent) Help Keep the U.S. Army Connected Worldwide! Leidos is seeking an experienced Senior Network Support Engineer to support the Army Global Unified Network (AGUN) program. This is an exciting opportunity to help maintain, secure, and modernize the Army's global enterprise network, ensuring reliable communications and mission readiness worldwide. In this role, you'll provide hands-on network operations, troubleshooting, and engineering support across a complex global environment. You'll work with advanced networking technologies, resolve critical incidents, support network migrations, and help improve overall network performance and security. We're looking for someone with strong enterprise networking experience, Cisco SD-WAN expertise, and the ability to troubleshoot complex network issues in a mission-critical environment. What You'll Do

Support the Army's global network operations, ensuring 24/7/365 availability, performance, and security.
Troubleshoot and resolve complex network incidents, outages, and connectivity issues.
Configure, maintain, and support Cisco SD-WAN and enterprise networking technologies.
Execute approved network configuration changes, security updates, and remediation activities.
Manage incident and service request tickets using Jira Service Desk or other ITSM tools.
Monitor network performance, capacity, and reliability and recommend improvements.
Support network migrations, system integrations, cutovers, and modernization initiatives.
Work with engineering teams and mission partners to identify and resolve network issues.
Provide timely operational updates to the Global Cyber Center (GCC) and program leadership.
Support environments using VMware, Red Hat Enterprise Linux, and InfoVista.
Participate in a 24/7 on-call rotation, including occasional nights, weekends, holidays, and mission-driven surge support.
Collaborate with technical teams to improve network stability, security, and operational efficiency.

What We're Looking For

Bachelor's degree with 8+ years of relevant experience, or a master's degree with 6+ years of relevant experience. Additional applicable experience may be considered in place of a degree.
Current Active Secret security clearance.
DoD IAT Level II certification (Security+ or higher) required before starting.
Hands-on experience supporting Cisco SD-WAN environments.
Knowledge of Software Defined Networking (SDN).
Experience with VMware virtualization and Red Hat Enterprise Linux (RHEL).
Experience using InfoVista network performance management tools.
Experience with at least two of the following:
Cisco DNA Center / Prime
Juniper Networks
Palo Alto Networks
Dell Networking
Junos Space
AppGate
Strong understanding of LAN/WAN, BGP, TCP/UDP, IPSec, VPNs, Layer 2/Layer 3 routing, and firewalls.
Familiarity with SFTP, SSH, SCP, SNMP, and NTP.
Experience with ITSM ticketing tools and incident management.
Strong troubleshooting, communication, and teamwork skills.
Ability to work a hybrid schedule (3 days onsite / 2 days remote) and participate in a 24/7 on-call rotation.

Preferred Qualifications

CCNP certification or equivalent.
Linux shell scripting experience.
Experience with GitLab, CI/CD pipelines, Jira, and Confluence.
Knowledge of network automation tools such as Ansible, Terraform, Puppet, Salt, and Git.
Experience with network monitoring tools such as SNMP, NETMON, and LiveAction.
Experience with at least two of the following: NetFlow, Elastic, Kafka, Grafana, Prometheus, or Nexus Repository.
Experience supporting large, geographically dispersed enterprise networks.
Familiarity with U.S. Army network security requirements and DoD network operations.

Why Join Leidos? At Leidos, you'll have the opportunity to work with advanced networking technologies while supporting a mission that directly impacts the U.S. Army's global operations. You'll collaborate with experienced network engineers, solve complex technical challenges, and help keep critical military communications secure and operational. If you're a skilled Network Engineer with Cisco SD-WAN experience who enjoys solving challenging network problems, we want to hear from you! Join Leidos and help keep the Army connected. Apply today! If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:

November 6, 2026 For 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.

Pay Range:

Pay Range $92,300.00 - $166,850.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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