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Leidos

Principal Network Engineer

Leidos

. Maintain enterprise network infrastructure for proper configuration, availability, performance, capacity, and maintenance .

Posted 10/14/2026full-timeUnited StatesLead💰 $116,350 - $210,325 per yearWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive expertise in maintaining and optimizing enterprise network infrastructure, including Cisco and Nexus architecture, while ensuring compliance with Service Level Agreements and disaster recovery protocols. Proficient in risk assessment, technical leadership, and documentation for network services and cloud environments.

Highest-signal resume keywords
Cisco And Nexus ArchitectureIP, Routing And Connection ServicesTechnical/Management LeadershipITIL And SAFe Agile FrameworksActive TS/SCI With A Polygraph

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Network Infrastructure MaintenanceConfiguration ManagementPerformance TuningRisk AssessmentDocumentation ImplementationHybrid Cloud ArchitectureDevOps Infrastructure DevelopmentTroubleshooting Networking HardwarePatching And UpgradesVendor Trade Studies
Soft Skills
Goal SettingAnalytical ThinkingLeadership
Tools & Technologies
GitHubJenkinsAnsibleCisco Networking HardwareCloud Resources
Certifications & Qualifications
CCNABachelor's DegreeMaster's Degree
Industry Keywords
Service Level AgreementsDisaster RecoveryTechnology ObsolescenceEnterprise-Level NetworkingMulti-Cloud Environments

Tech Stack

Tools & technologies
AnsibleCloudJenkinsTypeScript

About the role

Key responsibilities & impact
  • Maintain enterprise network infrastructure for proper configuration, availability, performance, capacity, and maintenance
  • Apply the latest patches and upgrades
  • Monitor technology obsolescence, manage upgrades, and evaluate alternatives across on-premises and cloud IT infrastructures
  • Architect, design, install, configure, administer, support, and maintain networks, associated hardware, and cloud resources
  • Update to new technologies, tune performance, and prioritize critical system patches
  • Perform risk assessments, risk mitigation analysis, vendor trade studies, and documentation
  • Ensure network services are available according to established Service Level Agreements
  • Ensure continuity of operations, including disaster recovery
  • Monitor operations and collect and evaluate metrics for network services, project KPIs, and SLAs

Requirements

What you’ll need
  • Bachelor’s with 12 or more years of prior relevant experience or a Masters with 10 or more years of prior relevant experience
  • Additional years of experience may be substituted in lieu of a degree
  • Must have an active TS/SCI with a Polygraph
  • Experience providing technical/management leadership on major tasks or technology assignments
  • Experience establishing goals and plans that meet project objectives
  • Domain and expert technical knowledge
  • Master level experience with Cisco and Nexus Architecture
  • Experience designing, configuring, and troubleshooting enterprise-level Cisco/Nexus networking hardware (9K/7K/5K/2K)
  • Expert experience with IP, Routing and Connection services
  • Experience working on ITIL and SAFe Agile Frameworks
  • Ability to analyze available hardware and software from external vendors and make recommendations for purchase and installation
  • Documented experience creating, maintaining and implementing detailed documentation for standard systems operating procedures
  • CCNA preferred
  • Experience architecting and securing hybrid or multi-cloud environments preferred
  • Experience developing DevOps infrastructure using GitHub, Jenkins, Ansible and related tools preferred

Benefits

Comp & perks
  • Paid Time Off
  • 11 paid Holidays
  • 401K with a 6% company match and immediate vesting
  • Flexible Schedules
  • Discounted Stock Purchase Plans
  • Technical Upskilling
  • Education and Training Support
  • Parental Paid Leave