Network Security Engineer
Caci-Iss
Columbia, MD · Posted November 4, 2026
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Where Columbia, MD ranks
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November 2026
- #12Cities with the most hybrid jobs in the Mid-Atlantic18% · of 84
- #14Best cities for remote-friendly jobs9% · of 100
- #15Best cities for mid-career professionals in the Mid-Atlantic61% · of 85
- #16Best cities for mid-career professionals61% · of 100
- #19Cities with the most hybrid jobs18% · of 100
- #22Best cities for software and engineering jobs in the Mid-Atlantic115 openings · of 68
Rankings about security jobs
- Best cities for security jobs #1 San Francisco (316 openings)
- Best cities for security pay after cost of living #1 San Mateo ($241k)
- Most requested AI skills in security jobs #1 AI tools in daily work (10.8%)
- Employers with the most security jobs #1 Amazon (318 roles)
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About the job
Job Title: Network Security Engineer
Job Category: Information Technology
Time Type: Full time
Minimum Clearance Required to Start: TS/SCI with Polygraph
Employee Type: Regular
Percentage of Travel Required: None
Type of Travel: Continental US
* * *
The Opportunity: We are seeking a Network Engineer who will provide assistance in all aspects of network management from network design through implementation, maintenance and upgrading of existing networks. You will analysis design, specifications, and related documents. You have experience implementing communication system requirements to support the distributed functionality for a software engineering environment. And you will analyze network characteristics (e.g. traffic connect time, transmission speeds, packet sizes and throughput), trouble shoot problems and recommend procurement of and/or modifications to network components.
The position requires collaboration within a dynamic team operating on a 24/7 basis. The team assignment dictates their reporting schedule. Each team rotates through the following shifts in accordance with their team assignment.
Panama Schedule:
M = Mid shift 6PM – 6AM
D = Day Shift 6AM – 6PM
S = Straight Shift 8AM – 5PM
B = Break (days off)
Responsibilities: • Design solutions, integrate, configure, deploy, test and provide support for numerous types of network devices, interfaces and methodologies • Optimize end-to-end system performance and dataflow management • Configure and optimize the network to connect various front-end and back-end components • Coordinate with the system engineering and dataflow efforts to ensure proper mission operations with minimal down time • Facilitate the implementation of high-speed, scalable, fault-tolerant network topologies as applicable to WAN and LAN design • Implement specific network solutions to support server requirements to include load-balancing, VPN’s, firewall contexts, and network address translation (NAT) where appropriate • Minimize network latency and maximize data through design analysis and network performance monitoring tools • Deploy, install and implement hardware at Continental United Stats and Outside Continental United States • Lead large efforts of dynamic requirements and scale • Work with System Engineers and cross organizational teams to define requirements • Resolve complex network problems, operate network analyzers, WAN test equipment and network stimulators
Qualifications: • Certification with IAT Level 3 • Twelve (12) years experience in programs and contracts of similar scope, type, and complexity • Bachelors degree in engineering from an accredited college or university • Four (4) years of additional network engineering experience may be substituted for a bachelors degree • Five (5) years experience with the following Network Tools: o Whats Up Gold o Netflow • Five (5) years experience with the following SIGNIT Tools: o Common View/Max View o Triton o TUMMS • TS/SCI Poly required
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What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.
Pay Range :
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
The proposed salary range for this position is: $120,800 - $265,800
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.