Senior Network Support Engineer

Leidos

. Support the Army's global network operations, ensuring 24/7/365 network availability, performance, and security .

Posted 11/5/2026full-timeRemote • United StatesSenior💰 $92,300 - $166,850 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in managing and supporting Cisco SD-WAN and enterprise networking technologies, with a strong focus on network performance, security, and incident resolution. Proficient in utilizing ITSM tools for effective incident management and capable of collaborating with remote teams in a 24/7 operational environment.

Highest-signal resume keywords

Cisco SD-WAN SupportNetwork Performance ManagementDoD IAT Level II CertificationIncident Management Using ITSM ToolsLAN/WAN Troubleshooting

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Cisco SD-WANVMware VirtualizationRed Hat Enterprise LinuxInfoVistaLAN/WANBGPTCP/UDPIPSecVPNsNetwork Automation

Soft Skills

Strong Troubleshooting SkillsEffective CommunicationProblem-Solving AbilityCollaboration with Remote TeamsFlexibility for On-Call Rotation

Tools & Technologies

Jira Service DeskGitLabCI/CD PipelinesConfluenceSNMPNETMONLiveAction

Certifications & Qualifications

Bachelor's DegreeMaster's DegreeActive Secret Security ClearanceCCNP CertificationSecurity+ Certification

Industry Keywords

U.S. Army Network Security RequirementsDoD Network OperationsSoftware Defined NetworkingNetwork Monitoring ToolsGeographically Dispersed Networks

Tech Stack

Tools & technologies

AnsibleFirewallsGrafanaITSMKafkaLinuxPrometheusPuppetSaltStackShell ScriptingTerraformVMware

About the role

Key responsibilities & impact

Support the Army's global network operations, ensuring 24/7/365 network 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 remotely while collaborating with geographically dispersed engineering teams during incident-response bridges, meetings, and troubleshooting activities
Provide timely operational updates to the Global Cyber Center (GCC) and program leadership
Support network environments utilizing VMware, Red Hat Enterprise Linux, and InfoVista
Participate in a 24/7 on-call rotation, including nights, weekends, holidays, and mission-driven surge support

Requirements

What you’ll need

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 equivalent) 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)
Hands-on experience with 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 using ITSM ticketing tools for incident and service request management
Strong troubleshooting, communication, and problem-solving skills
Ability to work independently while collaborating with remote technical teams
Flexibility to participate in a 24/7 on-call rotation and respond to mission-critical incidents
Preferred: CCNP certification or equivalent
Preferred: Experience with Linux shell scripting
Preferred: Experience using GitLab, CI/CD pipelines, Jira, and Confluence
Preferred: Knowledge of network automation tools such as Ansible, Terraform, Puppet, Salt, and Git
Preferred: Experience with network monitoring tools such as SNMP, NETMON, and LiveAction
Preferred: Experience with at least two of the following: NetFlow, Elastic, Kafka, Grafana, Prometheus, or Nexus Repository
Preferred: Experience supporting large, geographically dispersed enterprise networks
Preferred: Familiarity with U.S. Army network security requirements and DoD network operations

Benefits

Comp & perks

Opportunity to work with advanced networking technologies
Support a mission directly impacting U.S. Army global operations
Collaboration with experienced network engineers
24/7 on-call rotation and mission-driven surge support