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Networking Security Engineer II

CACI International

Linthicum Heights, MDFull-time$121–266K/yrSeen 1 day agoSeen in employer's feed 1 day ago

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At a glance

Compensation
$121–266K/yr
Location
Linthicum Heights, MD
Schedule
Full-time
Work Authorization
Not specified

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

DoD 8570 IAT Level II Certification, requiredTwo Listed Vendor Certifications, requiredTS/SCI clearance, required

Job overview

CACI seeks a Network Security Engineer to analyze complex systems, architecture, network design, and hardware issues. The role includes equipment acceptance testing and maintenance, installation and testing reports, and recommendations on hardware technology. The engineer will evaluate network vulnerabilities and security specifications, support network planning and architecture, and develop system security documentation for new and fielded information systems.

Skills & qualifications

RequiredNice to have

Skills

Network Security Engineering, requiredComplex Hardware Analysis, requiredNetwork Planning, nice to haveNetwork Engineering, nice to haveNetwork Architecture, nice to haveLAN/WAN Systems, nice to haveNetwork Vulnerability Assessment, nice to haveNetwork Security Documentation, nice to haveWired and Wireless Networks, nice to haveNetwork Problem Resolution, nice to have

Qualifications

10 Years Network Security Engineering, requiredBachelor's in Listed Field or 5 Years Experience, requiredDoD 8570 IAT Level II Certification, requiredTwo Listed Vendor Certifications, requiredTS/SCI Clearance With Polygraph, required

Benefits

Paid Time Off
Tuition Assistance
Medical Insurance
401(k) Match

Full job description

Job Title: Networking Security Engineer II

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: None


The Opportunity:

We are seeking a Network Security Engineer who will provide engineering expertise to analyze complex systems, architecture, network design and other technical hardware issues. You will procure and perform acceptance testing on equipment. Provide hardware maintenance support. Prepare site installation and testing 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 technology.

Responsibilities:

  • Conduct site surveys; assess and document 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 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

  • Independently develop technical standards and interface applications, identify and evaluate new products, and provide resolution for network problems

  • Independently develop system security documentation on both new and fielded information systems

  • Analyze, identify, describe, and brief system weaknesses and provide proposed system improvements.

Qualifications:

Required:

  • Ten (10) years experience as a Network Security Engineer analyzing complex hardware systems for SIGINT solutions

  • Bachelor’s degree in Communications Engineering, Computer Engineering, Computer Science, Electrical Engineering, Information Systems, Mathematics, or related disciple 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

  • Meet DoD Approved 8570 Baseline Certification for IAT Level II and possess at least two (2) of the following vendor certifications:

  • Palo Alto Network 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

  • TS/SCI Poly required

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.

How this job compares

Set against the 4,258 open Network Engineer jobs on Olive Jobs, counted November 12, 2026.

Pay
  • This posting$121–266K/yr
  • Maryland median$111–197K/yr170 salary ranges
  • US median$113–187K/yr3,392 salary ranges

This range's midpoint, $193K, is 24% above the Maryland median midpoint ($155K) — in the top quarter of Network Engineer salary ranges in Maryland.

Openings
Olive Jobs lists 212 open Network Engineer jobs in Maryland and 4,258 across the US. 6% of them nationwide are listed as remote or flexible.
Hiring the most in Maryland
Experience
This posting asks for at least 10 years of experience — more than three in four Network Engineer postings that state a minimum ask for (median 5 years, across 3,612 postings).
Education
1,136 of the 4,258 open Network Engineer jobs (27%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 12, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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