Network Security Engineer

Company: CACI
Location: Columbia
Posted on: April 2, 2026

Job Description:

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: Up to 10% Type of Travel: Continental US * * * The Opportunity: The Network Security Engineer will work within the Network Security Implementation and Sustainment (NSIS) Services section to provide engineering expertise to analyze complex systems, architecture, network design and other technical hardware issues Responsibilities: Procure and perform acceptance testing on equipment Provide hardware maintenance support, both preventative and remedial Deploy, install, and implement hardware at Continental United States (CONUS) and Outside Continental United States (OCONUS) Prepare specifications for hardware by analyzing documented and derived system requirements Conduct site surveys Prepare engineering plans and site Technical Design Packages Organize and direct hardware installations Configure (and document configuration of) computers, networking devices, and various peripheral equipment Prepare site installation and test reports Ensure that problems have been properly identified and solutions will satisfy the user's requirements Prepare reports and recommendations concerning existing and emerging hardware technologies Provide specific input to the hardware components of system design to include end-user devices, servers, networking devices, data storage devices, and specialized processors Qualifications: Required: Conduct site surveys; assesses and documents current site network configuration and site­ unique requirements Organize and direct hardware installations across multiple sites Analyze and recommend hardware specifications for project-unique or modified commercial hardware Assist with building simulations of proposed systems and provide hardware throughput analyses to system engineers Design and verify test harnesses/simulated interfaces for all test and integration phases Prepare Mean-Time-Between-Failure and Mean-Time-To-Repair analyses Analyze operational data to identify choke points, failure modes, and other data for design or maintainability improvements Review proposed systems, and support of network communications, including LAN/WAN systems Evaluate current systems and annotate system vulnerabilities Research and analyze data of various products to include COTS/GOTS components and GFE to determine feasibility of design or application Provide skilled technical assistance in network planning, engineering, and architecture Assist in the development of technical standards and interface applications, identify and evaluate new products, and provide resolution for network problems Provide evaluations of systems, networks and information systems to ensure designs meet applicable governmental security specifications Assist with the development of system security documentation on both new and fielded information systems Develop, analyze, and provide feedback on wired and wireless network systems Plan large and small-scale systems system vendor comparison, cost studies, and security Plan and evaluate complex existing network systems and make recommendations for resources required to maintain and/or expand service levels Education and Experience: Ten (10) years’ experience as a Network Security Engineer analyzing complex hardware systems for SIGINT solutions is required. Bachelor’s degree in communications engineering, Computer Engineering, Computer Science, Electrical Engineering, Information Systems, Mathematics, or related discipline from an accredited college or university is required.Five (5) years of additional Network Security engineering experience may be substituted for a Bachelor's degree. Must meet DoD approved 8570 Baseline Certification for IAT Level II and possess at least 2 of the following vendor certifications: Palo Alto Networks Certified Network Security Administrator (PCNSA), Sonicwall Network Security Administrator (SNSA), Sonicwall Network Security Professional (SNSP), Symantec ProxySG 6.7 Technical Specialist or Cisco CCNA or higher. - 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: $103,800 - $218,100 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.

Keywords: CACI, North Bethesda , Network Security Engineer, IT / Software / Systems , Columbia, Maryland