Network Engineer

Leidos LLC; Columbia (MD); On-site; USD 92,000 - 167,000; Full time

Benefits offered by this job

Paid Time Off

11 paid Holidays

401K with company match

Flexible Schedules

Discounted Stock Purchase Plans

Technical Upskilling

Education and Training Support

Parental Paid Leave

Job summary

Leidos is seeking a Network Engineer II to provide end-to-end design, implementation, and maintenance of enterprise networks across LAN, CAN, WAN and voice/video systems.

The role focuses on translating requirements into telecommunications solutions, supporting modernization efforts, and ensuring regulatory compliance while delivering mission-critical services for national security programs.

Qualifications

• Master's degree in CS or related field with 6+ years of relevant experience.
• Bachelor's degree in Systems/CS with 8+ years of relevant experience.
• 12+ years experience in lieu of degree with DoD/IC certifications.
• IAT Level I baseline DoD 8570.01-M.
• Active TS/SCI with Polygraph clearance.

Responsibilities

• Optimize end-to-end system performance and dataflow, minimizing latency and maximizing throughput.
• Design, configure, deploy, test, maintain, and optimize network devices across LAN/CAN/WAN.
• Implement network solutions including VPNs, firewall contexts, Traffic Shaping, VoIP, IP Encryption, NAT.
• Develop designs for organization’s network and mission architecture.
• Maintain network diagrams and accreditation documentation; align with ISO 9000 and DoD/IC regs.
• Coordinate network conversions and cutovers; support incidents across sites.
• Apply systems engineering across lifecycle per ISO/IEC 15288.

Skills

Network design

LAN/WAN

VPNs

VoIP

Education

Master's degree in related field

Bachelor's degree in related discipline

12+ years experience in lieu of degree

IAT Level I DoD baseline

Tools

Arista Config Essentials

Cisco CCNA

Juniper Certification Tracks

Job 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 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!

Program Summary

This is a large, multi-year Leidos-led prime contract supporting the development, integration, deployment, and sustainment of large collection systems. The work performed on this program is mission-critical to the government and focused on solving complex technical challenges within emerging technologies. Team members operate with autonomy 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. The role includes analysis of design specifications and related documentation, general LAN/CAN/WAN administration, and coordination of network conversions and cutovers. This position translates business requirements into telecommunications solutions (LAN, CAN, WAN, Voice, Video), performs engineering analysis of alternatives in support of modernization efforts, and contributes to telecommunications enhancement design for medium and large-scale infrastructures. The engineer supports end users, operations personnel, and program management in matters involving network interfaces and infrastructure performance.

Primary Responsibilities

• Optimize end-to-end system performance and dataflow, minimizing latency and maximizing throughput through analysis, monitoring tools, and data captures.
• Design, integrate, configure, deploy, test, maintain, and optimize network devices, interfaces, and methodologies across LAN/CAN/WAN and telecommunications environments.
• Implement network solutions supporting server requirements, including load balancing, VPNs, firewall contexts, Traffic Shaping, VoIP, GRE, IPSec, IP Encryption, MoIP, and NAT where appropriate.
• Provide input to and develop designs for the organization’s network and mission architecture, including enhancements to meet new partner requirements.
• Configure and maintain network diagrams and accreditation documentation; integrate hardware and software to satisfy ISO 9000 and DoD/IC regulatory requirements.
• Oversee support to network equipment, coordinate conversions and cutovers, and resolve network or system incidents across users and sites.
• Apply systems engineering principles across all lifecycle phases and perform activities aligned to ISO/IEC 15288 Technical Process Areas.

Basic Qualifications

• Master’s degree in Computer Science, Information Assurance, Information Security Systems Engineering, or related discipline and six (6) years of relevant professional experience providing Network Engineering support and training commensurate with network engineering curriculum.
• Bachelor’s degree in Systems Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline and eight (8) years of relevant professional experience providing Network Engineering support.
• Twelve (12) years of relevant professional experience providing Network Engineering support in lieu of degree, plus certification in an industry standard (Arista Configuration Essentials, Cisco Certified Network Associate, or Juniper Certification Tracks: Automation & DevOps, Cloud, Data Center, Design, Enterprise Routing & Switching, Junos Security, Service Provider Routing & Switching).
• Information Assurance Technical (IAT) Level I baseline certification in accordance with DoD 8570.01-M.
• 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 compensation.
• Provide primarily remote on‑call support; occasional on‑site response may be required (rare).

Pay Range

Pay Range: $92,300.00 - $166,850.00. The 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.

Commitment and Diversity

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.

Company Overview

Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2billion for the fiscal year ended January2, 2026. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers.

• 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
• Competitive compensation
• Health and Wellness programs
• Income Protection
• Paid Leave
• Retirement

More details are available here.

Securing Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [e-mail].

Original Posting

April8,2026

Job Availability

For 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.

Why Join Us

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.