Network Systems Engineer Intern

• Support system performance tuning and enhancements.
• Support troubleshooting of deployed, hardened network end devices.
• Participate in engineering meetings to bridge the gap between operations and engineering.
• Perform technical maintenance on network devices including routers, switches, firewalls and load balancers.
• Implement and test secure communications configurations.

What You'll Bring:
• Actively pursuing a degree in a relevant field (e.g., Computer Science, Computer or Electrical Engineering, Information Technology) from an accredited college/university.
• Solid understanding of IT principles and networking concepts (OSI Model, Python, Ansible, Yang, HTML/XML, VBA, SQL, Unix/Linux, Bash, SED/AWK).
• Proven ability to perform data analysis, extract meaningful insights, and communicate effectively with both technical and non-technical audiences.
• Commitment to obtaining Security+ certification (or equivalent DoD 8570 IAT II certification) within a specified timeframe.
• Eligibility to obtain an interim Secret DoD Security clearance (sponsored by Leidos).
• Must be a U.S. Citizen.
• Geographic Requirement: This position is based on-site at Scott AFB, Illinois.
• Reliable transportation to Scott AFB is required

Preferred Qualifications:
• Understanding of encryption concepts and devices.
• Practical understanding of enterprise WAN principles.
• Entry level knowledge of Network and Security architecture, network topology, IT device integrity, and common security elements.
• Basic knowledge of engineering and troubleshooting networks, including 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.
• Entry- Level understanding and knowledge of IP network/subnet addressing.
• Effective written and oral communication and problem-solving skills
• Willingness to learn and take initiative in grasping large scale enterprise network solution implementation.
• Willingness to adapt to team dynamics in support of senior military, government civilian and contractors.

At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, "what's next?" before the dust settles on "what's now."

If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in.

Original Posting:

September 11, 2025

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 $46,800.00 - $84,600.00

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.

Client-provided location(s): O'Fallon, IL

Job ID: Leidos-R-00166443

Employment Type: INTERN

Posted: 2025-09-12T18:53:20