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Cybersecurity Engineer Network Security Tools

CACI


Job Location:

Saint Louis, MI - USA

Yearly Salary: USD 75200 - 158100
Posted: 6 October 2026 (Yesterday)
Application Deadline: 3 January 2027
Vacancies: 1 Vacancy

Job Summary

Job Title: Cybersecurity Engineer - Network Security Tools

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

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The Opportunity

TCS is looking for a Cybersecurity Engineer for the Network Security Services Network Defense team. This position is responsible for developing deploying and maintaining cybersecurity tools to defend the National Geospatial-Intelligence Agency (NGA) networks. Duties include designing procuring implementing operating sustaining and disposing of IT security solutions on multiple networks at multiple locations worldwide in support of the NGA GEOINT mission.


Responsibilities


  • Design implement and deliver task or project-based defensive cybersecurity solutions for on-premise and cloud environments.
  • Deploy configure and maintain network security tools ensuring software installations updates core services and applied configurations are functioning within design specifications.
  • Develop and maintain network architecture diagrams inventories and licensing status for the various capabilities within the scope of the team.
  • Provide written reports and oral briefings to contract and government leadership.
  • Coordinate issues with the appropriate stakeholders to ensure task completeness and overall customer satisfaction.
  • Evaluate and report on new/emerging network security technologies to enhance capacity performance and reliability of the networks.
  • Evaluate and recommend configuration changes and technology upgrades to address performance standardization and align industry best practices.
  • Apply a solid understanding of networking protocols and utilize network troubleshooting tools (tcpdump traceroute netstat nslookup etc.) to diagnose and resolve issues.

Qualifications

Required:

  • Security Clearance: Active TS/SCI.
  • Ability to obtain and maintain a CI polygraph.
  • DOD 8570 IAT II certification (Security CySA etc.)
  • Ability to obtain and maintain DOD 8570 CSSP Infrastructure Support certification (CEH CySA etc.)
  • Ability to work weekends and evening hours as needed.
  • Ability to work independently with little direction or guidance.

Desired:

  • Demonstrated knowledge of implementation and management of NDR and IDS/IPS platforms (VectraAI Extrahop Darktrace Corelight Cisco Firepower Trellix NX etc.)
  • Demonstrated knowledge of implementation and management of packet broker/network visibility platforms (Gigamon Ixia Garland etc.)
  • Demonstrated knowledge of implementation and management of packet capture platforms (NetWitness Axellio Endace etc.)
  • Demonstrated knowledge of implementation and management of email security platforms (Trellix EX Cisco Secure Email Gateway Ironport Proofpoint Abnormal etc.)
  • Expertise in Linux system administration including scripting and system automation.
  • Expertise in configuring system logging analyzing logs for troubleshooting and implementing secure networking services.
  • Familiarity with DoW PKI Kerberos LDAP Active Directory and Authentication (SAML OAuth).
  • Bachelors degree in Computer Science Information Technology Computer Engineering Electrical Engineering or related field.
  • 7 years related technical experience to network security technologies tools and techniques.
  • 5 years experience with large-scale enterprise/global networks.
  • Understanding of DoW DISA and IC standards and processes.
  • Understanding of DoW network architecture.


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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 youll be part of a high-performing group dedicated to our customers 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. Youll 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 nations 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:

$75200-$158100

CACI is anEqualOpportunity 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 otherprotectedcharacteristic.

Required Experience:

IC


About Company

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CACI employs a diverse range of talent to create an environment that fuels innovation and fosters continuous improvement and success. At CACI, you will have the opportunity to make an immediate impact by providing information solutions and services in support of national security miss ... View more

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