Network Security Engineer

CACI

Columbia, MD, USPosted Oct 5, 2026Discovered via the company's careers siteMatch locked

Full time

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About the role

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, with flexible shift options available to ensure continuous service delivery and support.

Responsibilities:

The position requires collaboration within a dynamic team operating on a 24/7 basis, with flexible shift options available to ensure continuous service delivery and support.

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

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.

Not included in the source posting: about the role, qualifications, benefits.

Skills

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Who can apply

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