Network Support Technician-Journeyman

Leidos; Sierra Vista (AZ); On-site; USD 70,000 - 90,000; Full time

Job summary

Leidos is seeking a qualified candidate for a critical role supporting the Army's global wide area network and security infrastructure. The successful applicant will be responsible for maintaining and improving network performance, handling service tickets, and ensuring operational workflows align with military standards.

This role demands expertise in networking technologies and related environments, particularly in Cisco SD-WAN. A Bachelor's degree with at least 4 years of relevant experience is required, along with an active DoD IAT Level II certification.

Qualifications

• Bachelor's degree with 4+ years of relevant experience, or Master's degree with 2+ years of relevant experience.
• Active DoD IAT Level II certification (e.g., Security+) or higher prior to start date.
• Demonstrated experience supporting Cisco SD-WAN environments.

Responsibilities

• Support 24x7x365 AGUN operations and provide updates to the Global Cyber Center.
• Execute standard network policy and configuration changes.
• Manage, triage, track, and update workflows and service tickets within JIRA Service Desk.
• Provide situational awareness and status updates for ticket resolution.
• Collaborate with stakeholders to perform legacy environment discovery.
• Assist in troubleshooting complex network issues.

Skills

Cisco SD-WAN environments

Software Defined Networking (SDN) concepts

Virtualization technologies

Red Hat Enterprise Linux

IT Service Management (ITSM) tools

Network troubleshooting

Networking concepts and protocols

Education

Bachelor's degree with 4+ years of relevant experience or Master's degree with 2+ years of relevant experience

Tools

JIRA Service Desk

InfoVista network performance management tools

Cisco DNA Center / Prime

GitLab

Job description

Description

The AGUN program is a highly demanding mission requiring expert technical and professional support to sustain the Army's global wide area network and security infrastructure. The selected candidate will support network migration, operations, and maintenance activities while ensuring the availability, performance, and security of the Army's enterprise network.

This role includes resolving service tickets, implementing approved network changes, supporting operational workflows, and collaborating with technical teams to maintain and improve network performance across a global environment.

Primary Responsibilities

• Support 24x7x365 AGUN operations and provide updates to the Global Cyber Center (GCC) to facilitate command and control of the AGUN network.
• Execute standard network policy and configuration changes, including common remediation activities and pre-approved operational workflows.
• Manage, triage, track, and update workflows and service tickets within JIRA Service Desk and other IT Service Management (ITSM) ticketing platforms.
• Provide situational awareness and status updates regarding ticket resolution and operational activities as directed by the GCC.
• Escalate incidents and service requests to higher-tier support teams when required.
• Collaborate with stakeholders and technical teams to perform legacy environment discovery, assess current capabilities, and support network modernization initiatives.
• Provide Tier II operational support for the Army's global network infrastructure.
• Analyze network performance and identify optimization strategies to improve capacity, reliability, and operational effectiveness.
• Assist in troubleshooting and resolving complex network issues across geographically dispersed enterprise environments.
• Support network migration, integration, and operational sustainment activities.

Basic Qualifications

• Bachelor's degree with 4+ years of relevant experience, or Master's degree with 2+ years of relevant experience. Additional directly applicable experience may be considered in lieu of a degree.
• Active DoD IAT Level II certification (e.g., Security+) or higher prior to start date.
• Demonstrated experience supporting Cisco SD-WAN environments.
• Knowledge of Software Defined Networking (SDN) concepts and technologies.
• Experience with virtualization technologies, including VMware.
• Experience supporting Red Hat Enterprise Linux environments.
• Hands‑on experience with InfoVista network performance management tools.
• Experience working with two or more of the following network technologies:
  • Cisco DNA Center / Prime
  • Juniper Networks
  • Palo Alto Networks
  • Dell Networking
  • Junos Space
  • AppGate
• Experience utilizing IT Service Management (ITSM) ticketing tools.
• Strong understanding of networking concepts, protocols, and technologies, including:
  • LAN/WAN
  • BGP
  • TCP/UDP
  • IPSec
  • VPNs
  • Layer 2/Layer 3 Routing
  • Firewalls
  • SFTP
  • SSH
  • SCP
  • SNMP
  • NTP
• Demonstrated ability to troubleshoot and resolve complex network issues in a team‑oriented environment.
• Strong written and verbal communication skills.

Preferred Qualifications

• Cisco Certified Network Professional (CCNP) certification or equivalent.
• Experience with Linux shell scripting.
• Experience with GitLab source control and CI/CD pipeline development.
• Experience using JIRA and Confluence.
• Experience with NetSecOps technologies, including Salt, Git, Ansible, Terraform, Puppet, and network element management tools.
• Experience with Network Performance Management solutions, including SNMP, NETMON, and LiveAction.
• Experience with two or more of the following technologies:
  • NetFlow
  • Elastic
  • Kafka
  • Grafana
  • Prometheus
  • Nexus Repository
• Experience designing, optimizing, and supporting complex geographically dispersed enterprise networks.
• Knowledge of U.S. Army network security requirements and enterprise network infrastructure operations.

Commitment to Non-Discrimination

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.