Network Systems Engineer
Odenton, MD - USA
Job Summary
Our customer the Defense Information Systems Agency (DISA) provides operates and assures command and control of the Defense Information System Network (DISN) services to its customers the department of Defense (DoD) and national security position directly supports the DISA-provided capabilities and services.
The Leidos Digital Modernization Sector/Global Solutions Management-Operations II (GSMO-II) contractLeidos is seeking an experienced Network Sytems Engineer to provide network operations and engineering sustainment support to a mission critical IP messaging and communications transport network. A successful candidate will develop an understanding of the services offered to external organizations provide lifecycle systems engineering support to development and operations on the program and use a combination of technical and functional expertise to recommend solutions to satisfy customer requirements.
Primary Responsibilities:
Network integration testing security engineering and implementation configuration support.
Collaborate with network architects to define and/or continuously improve STIG compliant configuration baselines versioning and compliance tracking.
Test and validate automation and best practice insertion opportunities.
Lead development of SOPs/TTPs.
Support Continuous Service Improvements (CSI).
Support system performance tuning and enhancements.
Create and maintain Engineering Implementation Plans (EIP).
Support tier escalation of incident management support tasks.
Active participation in Root Cause Analysis (RCA) for Problem Management activities.
Participate in engineering meetings to bridge the gap between operations and engineering providing operational readiness for new solutions projected to be deployed into production.
Perform highly technical maintenance involving firewalls VPNs IPS and load balancers.
Provide expert knowledge of network engineering and operations large scale enterprise network solution implementation and transition to Network Operations as well as test and evaluation activities. Perform highly technical maintenance involving network devices routers switches security solutions and WANX.
Core Qualifications:
Active DoD clearance at the Top-Secret level with SCI eligibility
Security Certification or other DOD 8570 IAT Lvl II Certification within a certain timeframe after starting if not starting with one when hired.
Extensive knowledge of defense-in-depth principles Network and Security architecture network topology IT device integrity and common security elements.
4 years experience engineering and troubleshooting networks including extensive routing and switching experience such as one or more of the following: MPLS VPNs routing protocols i.e. BGP OSPF IS-IS switching protocols i.e. Spanning Tree Protocol VLANs LLDP VoIP Multicast protocols and emerging network technologies.
Strong understanding and in-depth knowledge of IP network/subnet addressing.
Experienced and adept at developing and maintaining technical documents analyses and reports.Experience developing and presenting technical information to senior customer management customer stakeholders and company management.
Hands-on experience deploying configuring and troubleshooting Cisco enterprise network routing switching and firewall/security devices.
Ability to travel up to 10% OCONUS travel.
Effective written and oral communication and problem-solving skills
Preferred Qualifications:
Extensive SME level knowledge of network engineering and operations integration test and evaluation activities as well as implementation and transition to Network Operations processes and concepts
Cisco CCNP Route/Switch and/or CCNP Security
Experience and with and practical understanding of enterprise WAN principles.
Experience with change configuration and performance management NetOps concepts.
IAT Level III Certification (i.e. CISSP or equivalent).
Required Education & Experience:
Requires BS and 4-8 years of prior relevant experience or Masters with 2-6 years of prior relevant experience. (Or equivalent combination of education and/or experience.)
GSMO
If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.
Original Posting:
May 5 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 $73450.00 - $132775.00The Leidos pay range for this job level is a general guideline onlyand 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.
Required Experience:
IC
About Company
Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.