Principal Network Engineer
$139.1k - $251.45kLeidos
Leidos has a new and exciting opportunity for a Principal Network Engineer in our Intelligence Sector’s, Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.At Leidos, we offer competitive benefits, including 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, and much more. Join us and make a difference in National Security!Position OverviewThe Principal Network Engineer provides advanced network engineering support for the design, integration, optimization, and sustainment of complex enterprise and mission networks. This role focuses on enhancing network performance, implementing scalable solutions, and supporting architectural improvements across LAN, CAN, WAN, and telecommunications environments.The engineer translates mission and business requirements into secure, high-performing network solutions and collaborates with operations personnel, program management, and engineering teams to ensure reliable network performance in DoD/IC environments.Primary ResponsibilitiesOptimize end-to-end system performance and dataflow through analysis, monitoring tools, and data captures, minimizing latency and maximizing throughput.Design, integrate, configure, deploy, test, maintain, and enhance network devices and infrastructure across LAN, CAN, WAN, and telecommunications systems.Implement network solutions supporting server and mission requirements, including load balancing, VPNs, firewall contexts, traffic shaping, VoIP, GRE, IPSec, IP encryption, MoIP, and NAT.Contribute to the design and improvement of network and mission architecture to support evolving partner and mission requirements.Resolve complex network issues using advanced diagnostic tools such as network analyzers, WAN test equipment, and simulators.Support network operations by maintaining system documentation, diagrams, and accreditation artifacts while ensuring compliance with ISO 9000 and DoD/IC standards.Collaborate with engineering teams to support network equipment, system integrations, and infrastructure changes, including conversions and cutovers.Basic QualificationsMasters Degree in a related technical discipline and 15 or more years related experience or Bachelors Degree in a related technical discipline and seventeen (17) years of experience providing network engineering support.Information Assurance Technical (IAT) Level I certification in accordance with DoD 8570.01-M.Demonstrated experience designing, implementing, and maintaining complex network infrastructures.Experience troubleshooting and resolving advanced network performance and integration issues.Security Clearance Requirement: Active TS/SCI with Polygraph Participate in a rotational on-call schedule (estimated every 4–6 weeks), with flexible team-managed scheduling and guaranteed on-call compensationProvide primarily remote on-call support; occasional on-site response may be required (rare) conmdKQWIf 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:April 8, 2026For 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 $139,100.00 - $251,450.00The 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.SummaryLocation: Columbia, MDType: Full time
$151.78k - $180.37k
...1,778.00 - $180,374.33 Hours Per Week 40 Number Of Positions 1 Shift First Shift (Day) Job Description Principal Network Engineer Provide technical leadership to a team responsible for engineering and supporting Metro-Ethernet Connectivity Services...SuggestedFull timeLocal areaRemote workShift workDay shift1 day per week- ...security clearance is REQUIRED. GliaCell is seeking a Principal Cloud Systems Engineer on one of our subcontracts. This is a full‑time position... ...closely with researchers, software engineers, and network specialists to build robust environments that support cutting...SuggestedFull timeContract workWork from homeRelocation package
$200k - $280k
...currently do not possess this level of clearance.*** Are you a Principal Cloud Systems Engineer who is ready for a new challenge that will launch your... ...-native architectures, specifically Content Delivery Networks (CDNs). In this role, you will be at the forefront of...SuggestedFull timeContract workRemote workWork from homeRelocation package- ...AAA configuration (RADIUS / TACACS+) • Aruba wireless access point installation, configuration, and troubleshooting • Versa networking device installation, configuration, onboarding, and validation • End-to-end enterprise network migrations (DoDNet / DoD environments...Suggested
$145k - $165k
...Overview Senior Network Engineer LOCATION: Columbia, MD (Onsite) JOB STATUS: Full-time CLEARANCE: Active Top Secret (TS/SCI Preferred) TRAVEL: As Needed SALARY RANGE: $145k - $165k Astrion has an exciting opportunity for a highly experienced...SuggestedFull time- ...Perform maintenance, sustainment of existing networks, and identification/correction of issues. Responsibilities Resolve routine... ...scope, type, and complexity ~ Associate's degree in engineering technology from an accredited college is required. 2 years of...
- Job Title Significant Cisco and Arista Configuration and sustainment experience. Familiar with Latte 'Art and supporting STE/STN and SSP compliance for those devices. Required to travel as needed and be on-call for Operational systems. Top Secret SCI w/ Polygraph...
$7.5k
...journey as we execute this mission-critical contract providing engineering support for system development, fielded systems, and labs... ...Enterprise IT contract with a team of Systems Administrators, Network Engineers, Systems Engineers and System Integration Technicians...Civilian ContractorContract workFor contractorsWork experience placementImmediate startRemote workFlexible hours$100k
Network Engineer I Hybrid - 3 days a week on-site, Columbia, MD 6-month contract (potential for hire) Hourly Rate: $53/hr. W2. Benefits available Conversion Salary: $100,000 annually, plus benefits Background Check Required Position Description: The Network Engineer...Hourly payContract workLocal area3 days per week$10k
...employee experience that is rare within our industry. Performs network services from network design through implementation,... ..., Voice and Video) requirements, designs and orders. Performs engineering analysis of telecommunications alternatives in support of strategic...Full timeContract workTemporary workSummer workImmediate start$92.3k - $166.85k
Description Leidos has a new and exciting opportunity for a Network Engineer in our Intelligence Sector, Cyber & Analytics Business Area (CABA) . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...Contract workLocal areaImmediate startRemote workFlexible hours$92.3k - $166.85k
...while contributing to a highly technical environment delivering impactful, mission‑relevant solutions. Position Summary The Network Engineer II provides end‑to‑end network engineering support spanning design, implementation, maintenance, and upgrades of existing networks...Contract workRemote workFlexible hours- Network Engineer 3 Columbia, MD ( Description Founded in 2007 and headquartered in Columbia, Maryland, Synergy ECP is a leading provider of cybersecurity, software and systems engineering and IT services to the U.S. intelligence and defense communities. The company...
$7.5k
...journey as we execute this mission‑critical contract providing engineering support for system development, fielded systems, and labs... ...Enterprise IT contract with a team of Systems Administrators, Network Engineers, Systems Engineers and System Integration Technicians...Contract workWork experience placementImmediate startFlexible hours- ...Configuration and sustainment experience. Familiar with Latte 'Art and supporting STE/STN and SSP compliance for those devices. Required to travel as needed and be on-call for Operational systems. Top Secret SCI w/ Polygraph Security Clearance Required Fuse Engineering
$120.8k - $265.8k
Job Title: Senior Network Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * The Opportunity: - The...Full timeContract workWork experience placementFlexible hours- ...Position Summary Are you looking to join a talented team and make a real impact on mission success? MissionEdge is seeking a Network Engineer who is ready to dive into meaningful work and support a key government customer. Minimum Required Qualifications: Due to the nature...Work at officeRelocationMonday to FridayFlexible hoursWeekend work
- ...define the new space era by continuously pushing the boundaries of engineering models services and technology development. Visit us at... ...Ground Sustainment Services (LGSS). We are seeking a high-caliber Network Engineer, Mid with a specialized Cyber Security focus. This...For subcontractorRemote work
$160k - $200k
...Job Description Job Description Job Description Network Device Developer / Reverse Engineer Columbia, MD | Full Time | TS/SCI with Polygraph Required Position: Network Device Developer / Reverse Engineer (Application Developer, Level 2) Location: Columbia...Full timeFor contractorsLocal area$120.4k - $145.3k
...Job Description Job Description ELEVI is seeking a senior DDI Architect with deep network engineering expertise and hands‑on experience delivering enterprise‑class DNS, DHCP, and IPAM solutions. The role is 75% post‑sales engineering, focused heavily on Infoblox...Contract workWork experience placementLocal area$133k - $157k
...seeking an adaptable, ever-curious Linux / Systems Infrastructure Engineer to join our team in Annapolis Junction, MD. In this role, you... ..., cloud-native container platforms, and mission-critical network systems. As an engineer at Nyla, you won't just keep systems...Hourly payContract workWork experience placementImmediate startFlexible hours- ...Principal Systems Engineer Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global... ...advancements in Multi-Sensor and Information Fusion, Networked Situational Awareness, and Visualization technologies....Relocation
$199k - $235k
...Description ACTIVE SECURITY CLEARANCE AT THE TS/SCI POLYGRAPH LEVEL IS REQUIRED We have an immediate need for a versatile Software Engineer specializing in the Atlassian Tools Suite . In this role, you will design, develop, extend, and maintain tools and custom...Hourly payContract workWork experience placementImmediate startFlexible hours$141.5k - $236k
...adventure begins now-unleash your potential with MANTECH! MANTECH seeks a motivated, career-driven, and customer-focused Senior Network Engineer to join our team in Laurel, MD. You will play a critical role in supporting the enterprise infrastructure...Hourly payContract workTemporary workWork experience placementWork at officeLocal areaRemote work$141.5k - $236k
...difference. Your adventure begins now-unleash your potential with MANTECH! MANTECH seeks a motivated, career and customer-oriented Network Engineer to join our team in Laurel, MD. You will be part of a dedicated team delivering enterprise infrastructure capabilities for...Hourly payContract workTemporary workWork experience placementWork at officeLocal areaRemote work- ...MANTECH seeks an experienced and passionate, career and customer-oriented Network Engineer to join our team in Annapolis Junction, MD. Responsibilities include but are not limited to: Integrate DoD IP encryption methodologies into intricate networks and...Work at office
$146k - $234k
...Network Engineer Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT...Contract workTemporary workShift work- ...Network Engineer Location: Linthicum, MD Required Clearance: TS/SCI w/ CI Poly Salary: Negotiable Overview: We are seeking a Network Engineer to support a DoD Cyber Security project, with a focus on integrating networking and cryptographic systems. The...
- ...RightDirection Technology Solutions LLC Description: RDTS is seeking a cleared Network Engineer (with VTC administration and networking expertise) to support the U.S. Dept of Treasury in Washington, D.C. This position is full-time, 100% onsite in downtown...Full timeWork at officeImmediate startMonday to Friday
$78k - $250k
...POLYGRAPH SECURITY CLEARANCE (US CITIZENSHIP REQUIRED) Performs network services from network design through implementation,... ..., Voice and Video) requirements, designs and orders. Performs engineering analysis of telecommunications alternatives in support of strategic...Temporary workRemote workFlexible hours
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