Senior Network Engineer — Mission-Critical National Security

Koitecc Solutions; United States; Hybrid; USD 116,000 - 210,000; Full time

Benefits offered by this job

401(k) match

Paid time off

Paid holidays

Parental leave

Education & cert support

Upskilling opportunities

Employee stock purchase plan

Job summary

Leidos is seeking a Senior Network Engineer to join our elite team supporting mission-critical national security programs. You’ll work at the forefront of cybersecurity, network engineering, and advanced analytics—helping defend and enable vital operations.

Responsibilities include leading troubleshooting, designing scalable architectures, and mentoring junior engineers on a high-visibility program. Requires TS/SCI clearance and CCNA/CCNP with 12–15 years of experience.

Qualifications

• Bachelor’s degree in a technical field or 5+ years of relevant experience.
• CCNA and CCNP certifications required.
• Strong experience in network design, optimization, and security.

Responsibilities

• Lead advanced network troubleshooting and problem resolution.
• Analyze and optimize network performance, latency, and throughput.
• Design and implement scalable, secure network architectures.
• Collaborate with cross-functional teams to deliver mission-driven solutions.
• Mentor junior engineers (Levels 0-2) and drive engineering excellence.

Skills

CCNA

CCNP

Network design

Security

Leadership

Mentoring

Troubleshooting

Education

Bachelor’s degree in a technical field

5+ years of experience in lieu of degree

Tools

BGP

IPSec

NAT

Firewall tech

Job description

Leidos is seeking a Senior Network Engineer to join our elite team supporting mission-critical national security programs. You’ll work at the forefront of cybersecurity, network engineering, and advanced analytics—helping defend and enable vital operations.

Responsibilities include leading troubleshooting, designing scalable architectures, and mentoring junior engineers on a high-visibility program. Requires TS/SCI clearance and CCNA/CCNP with 12–15 years of experience.