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Sr Network Software Engineer; OMT Security Clearance

Job in Sierra Vista, Cochise County, Arizona, 85635, USA
Listing for: Leidos
Full Time position
Listed on 2026-01-23
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, Network Security, IT Support
Job Description & How to Apply Below
Position: Sr Network Software Engineer (OMT) with Security Clearance
R
- Description Leidos is seeking a Sr. Operation and Management Network Software Engineer to join our AGUN team. PROGRAM

SUMMARY:

The AGUN program is a highly demanding mission and requires expert technical and professional management to support the Army’s global wide area network and security infrastructure. You will be supporting a large and complex network migration and operations for the US Army. This role will include resolving service tickets on the AGUN system, providing prioritized validated/tested automated workflows to the Operations and Management Team, and providing operational support activities for a global network.

You must be able to work a rotating shift to be eligible for this position CLEARANCE REQUIREMENT:
Must currently possess and be able to maintain an active DoD SECRET security clearance. (US Citizenship required)

PRIMARY RESPONSIBILITIES:

* Operate and maintain secure network solutions operated as a centralized enterprise capability for the US Army.
* Support 24x7x365 AGUN operations focused on providing the Global Cyber Center (GCC) updates to facilitate command and control of the AGUN network.
* Conduct standard policy and configuration changes to the AGUN network, common remediation or those workflows considered pre-approved and normal.
* Provide management, triage, track, update workflows and service tickets in both JIRA Service Desk and GCC Service Now.
* Provide situational awareness on status of ticket resolution, provide status updates and brief updates as directed by the GCC.
* Escalate tickets and problems through the Jira Service Desk ticketing system to higher tier teams as required.
* Partner with key stakeholders and technical experts to perform legacy environment discovery, assessing current capabilities, configurations, and requirements to provide tier III support for the Army global network.
* Collect, investigate, and identify network optimization strategies and techniques to meet capacity and performance standards.

BASIC QUALIFICATIONS:

* Minimum of a Bachelor’s degree with 8+ years' experience or Master's degree with 6+ years of experience (additional years of directly applicable experience may be accepted in lieu of a degree).
* Require active DoD IAT Level II (i.e. Security+) certification or equivalent prior to start.
* Demonstrated experience with supporting Cisco SDWAN.
* Knowledge of Software Defined Networking (SDN) concepts.
* Demonstrated experience with virtualization technologies such as VMware.
* Experience with Red Hat.
* Hands on experience with Info Vista.
* Must have experience in working with two or more of the following vender network technologies:
Cisco, Juniper, Palo Alto, Dell, or App Gate.
* Demonstrated experience using Service Now.
* Demonstrated experience with networking concepts and protocols: LAN, WAN, BGP, TCP/UDP, IPSec, VPN, Routing(L2/L3), and Firewalls.
* Demonstrate experience in one or more of the following enterprise network management tools such as Palo Alto Panorama, Cisco Prime, Cisco DNA, or Junos Space.
* Experience with the following protocols: SFTP, SSH, SCP, SNMP, NTP.
* Must be able to work as part of a team to lead troubleshooting and resolve complex network issues.
* Excellent written and verbal communication skills.

PREFERRED QUALIFICATIONS:

* Certified Cisco Network Professional (CCNP) or equivalent.
* Demonstrated experience in Linux shell scripting.
* Experience with Git Lab source control and CI/CD pipeline development.
* Experience using JIRA and Confluence.
* Experience managing trouble tickets and escalations.
* Experience with Net Sec Ops  technologies including salt, git, Ansible, Terraform, Puppet and network element managers.
* Network Performance Management (SNMP, NETMON, Live Action)
* Demonstrated experience in any two or more of the following:
Netflow, Elastic, Kafka, Grafana, Prometheus, or Nexus Repo.
* Demonstrate expertise in design and improvement of complex and geographically diverse enterprise networks.
* Expert knowledge of US Army security requirements for network infrastructure If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status…
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