Network Administrator

Science Applications International Corp

Adelphi, MD

JOB DETAILS
SALARY
$40,001–$80,000 Per Year
SKILLS
802.1, 802.11, Access Control, Apple Macs, Architectural Design, BGP, Best Practices, CCNA - Cisco Certified Network Associate, Capacity and Performance Management, Communication Skills, CompTIA Network+, CompTIA Security+, Computer Science, Cryptography, Detail Oriented, DoD Directive 8140, DoD Directive 8570, DoD Secret Clearance, Documentation, Emerging Technology, Enterprise Architecture, Establish Priorities, Firewalls, GSEC - GIAC Security Essentials Certification, Hardware Configuration Management, IAT - Information Assurance Technical, IP (Internet Protocol), IPsec (IP Security), IPv4, IPv6, IT Service Management (ITSM), ITIL (IT Infrastructure Library), Identify Issues, Incident Management, Information Technology & Information Systems, Interpersonal Skills, Layer 2 Switching, Layer 3 Switching, Leadership, Logistics, Media Access Control (MAC), Microsoft Office, Microsoft Product Family, Multitasking, Network Administration/Management, Network Architecture/Engineering, Network Configuration Management, Network Design, Network Monitoring, Network Protocols, Network Routers, Network Security, Network Software, Network Switching, Open Shortest Path First Protocol (OSPF), Organizational Skills, Presentation/Verbal Skills, Problem Solving Skills, Procedure Implementation, Professional Services, Regulations, Research Laboratory, Routing Protocols, SSCP - Systems Security Certified Practitioner, Secret Clearance, ServiceNow, Technical Writing, Telecommunications, Top Secret Clearance, U.S. National Institute of Standards and Technology (NIST), United States Citizen, United States Department of Defense (DoD), VPN (Virtual Private Network), Wireless Communications, Work From Home, Writing Skills
LOCATION
Adelphi, MD
POSTED
6 days ago

Network Administrator

Job ID: 2613505

Location: Adelphi, MD, United States

Date Posted: Jun 10, 2026

Category: Information Technology

Subcategory: Network Engineer

Schedule: Full-Time

Shift: Day Job

Travel: Yes - 10% of the time

Minimum Clearance Required: Secret

Clearance Level Must Be Able to Obtain: Top Secret

Potential for Remote Work: On-Site

Benefits: Click here

Share: mail

Apply Now >

Apply Now >

Job Description

Description

SAIC is seeking a Network Administrator with an understanding of enterprise network architecture, Layer 2/3 switching, routing protocols, and network security standards. You will be responsible for the installation, configuration, maintenance, performance, and security of the network infrastructure in accordance with DoD and ARL IT policies at the Army Research Laboratory in Adelphi, MD. Work is performed on site.

Job Responsibilities:

  • Monitor and manage network performance, availability, and security.
  • Implement and enforce network security procedures and best practices to comply with DoD regulations.
  • Install, maintain, and troubleshoot network-related software and hardware systems, including Layer 2/3 switches, routers, firewalls, wireless access points, and encryption devices.
  • Configure and troubleshoot routing protocols such as OSPF and BGP.
  • Work with IP-based networking environments, including IPv4/IPv6 and IPSec VPNs.
  • Maintain knowledge of and apply standards related to 802.1x, 802.11, MAC bridging, traffic management, and data encryption.
  • Evaluate, develop, and sustain telecommunications infrastructure and ensure conformance with organizational IT policies and objectives.
  • Train users on basic network operations and escalate advanced issues to senior personnel when necessary.

Qualifications

Required Education and Experience:

  • Must have a Bachelor''s Degree in Computer Science, Information Systems, Networking, or related field. and three (3) years of related experience.

  • An additional 4 yrs of experience can be considered in lieu of Bachelor''s degree.

  • At least 3 years of relevant experience working in an IT enterprise network engineering field.

  • Proven leadership in managing complex network environments, including DoD networks.

  • Advanced knowledge of routing protocols (OSPF, BGP), security standards (802.1X, 802.11, MAC bridging), and media access control systems.

  • Demonstrated experience in network segmentation, traffic management, and secure network architecture design.

  • In-depth knowledge of network tools, monitoring platforms, and documentation best practices.

  • Ability to plan and implement large-scale network configurations and upgrades while minimizing downtime.

Clearance Requirements:

  • Must be a US Citizen.
  • Must have an active DoD Secret Clearance. And must be willing to obtain a Top Secret clearance.

Required Certification:

  • IAT Level II Certification equivalent or higher per DoD 8570/DoD 8140 (CompTIA Security+ CE, CCNA Security, GICSP, GSEC, SSCP, etc.).
  • Must have CompTIA Network+ or Cisco Certified Network Associate (CCNA), or equivalent.

Preferred:

  • Information Technology Infrastructure Library (ITIL) v4 certification
  • Experience with incident management within the ServiceNow Information Technology Service Management (ITSM) platform.
  • Familiarity with NIST, STIG, RMF, and Federal Information Systems Controls.
  • Working knowledge of hardware configuration management tools and logistics tracking systems.
  • Proficiency with Microsoft Office products.
  • Experience creating and modifying documentation for technical processes and procedures.
  • Experience working in a Department of Defense (DoD) environment.
  • A problem solver and troubleshooter who thrives in resolving complex problems.
  • Strong self-starter requiring minimal supervision.
  • Excellent communication skills (written and oral) and interpersonal skills.
  • Excellent organizational skills, attention to detail, and ability to prioritize and manage multiple tasks.

Target salary range: $40,001 - $80,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

Overview

SAIC accepts applications on an ongoing basis and there is no deadline.

SAIC is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.

We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

Share: mail

Apply Now >

About the Company

S

Science Applications International Corp

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/