Principal Network Engineer Security Clearance

Position: Principal Network Engineer with Security Clearance
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- Description ​ ​The Decision Advantage Business Area at Leidos   has   multiple   opening s   for  Secret cleared Principal Network Engineer to work in our Orlando, FL office. Th   Our team supports the Department of the Air Force (DAF) Battle Network and supporting infrastructure. These personnel will be involved in day-to-day activities and strategic long-term maturation of complex systems. Details are as follows:
Primary Responsibilities.  
* Serve as the Program’s Lead Network Engineering Team representative, providing vision and direction, training, and task assignments for all team members.  
* Provide Network Engineering support for the design, documentation, implementation, maintenance, and operation of an evolving network architecture.
* Lead Network Tier 3 issues management efforts, developing and/or providing approval for engineering changes leading to issues resolution.
* Provide cross-discipline training for and mentoring of all team personnel.
* Manage SD-WAN architecture to include operational and security related updates and changes.
* Lead the deployment planning and coordination of network system upgrades at various field sites, both CONUS and OCONUS as required.
* Interface with Tier 2 C2

NSOC DI-Network Manager Team Lead to assist with coordination and issue escalation as appropriate.
* Provide briefings and regular status updates to Program leadership on applicable DI-Network efforts. Basic Qualifications.

* BA/BS degree and 12 - 15 years of prior relevant experience or Masters with 10 – 13 years of prior relevant experience.
* Must possess a minimum of a Secret clearance with ability to obtain and maintain TS/SCI clearance.
* Leadership experience with managing technical staff on IPTs and/or cross functional teams to enable significant positive impact on project results/outputs.
* Demonstrated ability to influence development of solutions that impact strategic project/program goals and business results; and to recommend and develop new technical solutions, products, and/or standards in support of program strategy and operations.
* Knowledge of network engineering, network architecture, and network automation methodologies and tools (Ansible, scripting, and coding)
* Experience with configuring, activating, testing, and analyzing, and troubleshooting network systems
* Strong written and verbal communications, team building and collaboration skills.

Preferred Qualifications .

* Prior experience working on US Air Force Customer programs  
* SD-WAN knowledge, experience, and/or relevant certifications (Juniper or Cisco)
* Experience in general Linux systems administration
* Experience with Agile methodology cadence
* Experience working/testing within Commercial Cloud Platforms (ex: AWS) and Dev Ops tools
* Experience with Cyber methodologies  
* Current and Active TS/SCI clearance 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:
January 13, 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 $ - $ 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 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…