Senior Network Engineer

Leidos Holdings Inc

Camp Springs, MD

JOB DETAILS
SALARY
$107,900–$195,050 Per Year
SKILLS
Air Force, Alliance/Partner Management, Analysis Skills, BGP, Best Practices, CCIE - Cisco Certified Internetwork Expert, CCNP - Cisco Certified Network Professional, Communication Skills, CompTIA Network+, Customer Relations, DoD Secret Clearance, Documentation, Firewalls, ICMP, IP Addressing, Information/Data Security (InfoSec), Intellectual Property (IP), Intrusion Detection Systems, Legal, Local Area Network (LAN), Microsoft Office, Microsoft Visio, Military/DoD Standards, Network Administration/Management, Network Architecture/Engineering, Network Configuration Management, Network Design, Network Monitoring, Network Operations Center, Network Protocols, Network Routers, Network Routing, Network Security Design, Network Software, Network Switching, Network System Hardware, Network Systems, Network Testing, Open Shortest Path First Protocol (OSPF), Open Systems Interconnection (OSI), Organizational Skills, Presentation/Verbal Skills, Problem Solving Skills, Purchasing/Procurement, Security Compliance, Security Design, Security Protocols, Systems Engineering, TCP/IP (Transmission Control Protocol/Internet Protocol), Team Player, Technical Leadership, Technical Support, Technical Writing, Testing, United States Department of Defense (DoD), VLAN (Virtual Local Area Network), VPN (Virtual Private Network), Wide Area Network (WAN), Writing Skills
LOCATION
Camp Springs, MD
POSTED
30+ days ago

The Leidos Digital Modernization Sector currently has an opening for a Senior Systems Engineer to work in a high-profile datacenter in Suitland, Maryland. The Senior Systems Engineer will provide technical leadership and support in the areas of IT planning, solution specification/design, implementation and target architecture development for the AFNCR Consolidated Communication Center (CCC). The Engineer will support the 844th Communications Group at Joint Base Andrews (JBA). This role includes supporting the Air Force District of Washington (AFDW) and Headquarters Air Force (HAF) customers on both NIPRNet and SIPRNet domains for the development of the CCC building.

Primary Responsibilities:

  • Develop detailed network designs and architectures that align with Department of Defense (DoD) standards.

  • Install, configure, and troubleshoot network appliances (routers, switches, and firewalls).

  • Collaborate with procurement teams to identify and source network hardware and software that meet project specifications.

  • Conduct thorough testing of network systems to ensure functionality, performance, and security compliance.

  • Troubleshoot and resolve issues that arise during installation and testing phases.

  • Maintain accurate documentation of network configurations, installations, and changes.

  • Develop and update network diagrams and other relevant technical documents.

  • Work closely with engineers, project managers, and stakeholders to ensure successful project delivery.

  • Provide technical support and guidance to team members and end-users.

  • Stay updated on DoD policies and best practices related to network security and design.

  • Implement security measures to protect network infrastructure and data.

  • Document and enforce network hardware standards and configuration.

  • Manage and maintain IP addressing schema.

  • Provide transparent and regular status updates in requested format.

Basic Qualifications:

  • Bachelor's degree with 8+ years of experience or Master's degree with 6+ years of experience, additional experience may be considered in lieu of a degree.

  • Active DoD Secret clearance.

  • Expert knowledge of networking protocols, routing, and switching technologies (e.g., TCP/IP, BGP, OSPF, VLANs).

  • Expert knowledge of enterprise network design principles and networking technologies, including firewalls, VPNs, and intrusion detection systems.

  • Strong knowledge of three-layer spine/leaf architecture.

  • Strong knowledge of protocols, security standards, and design principles for OSI Layers 1-4.

  • Experience with installation and configuration of physical networking equipment and Local Area Networks (LANs).

  • Experience with the design and deployment of Wide Area Networks (WANs) using Virtual Private Networking (VPN) technologies.

  • Experience in interpreting and contextualizing network management and troubleshooting tools and technologies, such as ICMP, SNMPv3, and Syslog.

  • Excellent problem-solving and analytical skills.

  • Ability to build and maintain relationships, partnerships and external networks.

  • Ability to work independently, and work effectively in a collaborative team environment while keeping the team informed.

  • Excellent customer facing skills.

  • Excellent researching, decision-making and organizational skills are required.

  • Excellent written and verbal communication skills.

  • Proven analytical, evaluative, and problem-solving abilities.

  • Knowledge of Microsoft Office Suite including Microsoft Visio.

  • Maintain confidentiality and adhere to data protection and other guidelines where appropriate.

Required Certifications:

  • Advanced networking certifications such as (e.g., CCNP, CCIE, CompTIA Network+).

Desired Skills and Certs:

  • Experience with Nutanix.

  • Experience with cloud networking and virtualization technologies.

  • Familiarity with network monitoring and management tools.

If 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 22, 2026

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.

Pay Range:

Pay Range $107,900.00 - $195,050.00

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.

About the Company

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Leidos Holdings Inc

SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions. We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.
COMPANY SIZE
10,000 employees or more
INDUSTRY
Computer/IT Services
FOUNDED
2013
WEBSITE
https://jobs.saic.com/