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Added 17 mins ago
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CACI International

Senior Boundary Network Systems Engineer

Linthicum Heights, MD, United States

$114,600-$252,100 · Full-time

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Job details

Pay: $114,600-$252,100
Job type: Full-time
Posting language: English
Posted: Nov 7, 2026

Original job description

Job Title: Senior Boundary Network Systems 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: Up to 10%

Type of Travel: Local

The Opportunity:

Seeking a System Engineer professional to lead the design, implementation, and management of the security and operational boundaries that separate the organization’s internal networks from external, untrusted networks. This role combines network engineering with systems engineering to ensure that the perimeter of a network is clearly defined, controlled, and protected.

Responsibilities:

Lead large, complex network engineering efforts with evolving requirements and significant scale; develop and manage system and network requirements throughout the engineering lifecycle.
Develop network architectures and detailed designs; integrate, configure, deploy, test, troubleshoot, and sustain a broad range of network devices, interfaces, protocols, and technologies.
Analyze and optimize end-to-end system performance, network capacity, traffic flows, and dataflow management.
Configure and optimize network connectivity among front-end, back-end, and distributed system components.
Coordinate across systems engineering, network engineering, software, and dataflow teams to support mission operations and minimize downtime.
Lead the implementation of secure, high-speed, scalable, resilient, and fault-tolerant LAN and WAN architectures.
Use design analysis, modeling, testing, and network performance-monitoring tools to reduce latency, eliminate bottlenecks, and maximize throughput and availability.
Produce and maintain requirements, architecture diagrams, interface definitions, test plans, configuration baselines, and operational documentation; communicate technical decisions and risks to stakeholders.

Qualifications

Qualifications:

Active TS/SCI clearance with Full Scope Polygraph (FSP) is required; sponsorship is not available.
Twenty (20) years of experience as a Systems Engineer on programs or contracts of similar scope, type, and complexity, including experience performing network engineering functions.
Demonstrated experience leading network requirements development, architecture, design, integration, testing, deployment, performance optimization, and operational support.
Bachelor’s degree in engineering, computer science, information systems, or a related discipline from an accredited college or university. Five (5) years of additional Systems Engineering experience may be substituted for the bachelor’s degree, for a total of twenty-five (25) years of experience.
Expert knowledge of network security principles, configuration management, and technical documentation practices.
Experience with requirements analysis, interface definition, network capacity planning, redundancy, resiliency, and fault-tolerant design.
Experience using network monitoring, packet analysis, traffic analysis, and performance-management tools.

Desired:

Hands-on experience with LAN and WAN architecture, IP routing, switching, and network troubleshooting.

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.

Since this position can be worked in more than one location, the range shown is the national average for the position.

The proposed salary range for this position is:

$114,600-$252,100

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.

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More about this job

Skills

Troubleshoot
LAN
WAN
Documentation
Computer science
Performance management
Troubleshooting

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