Cybersecurity Engineer: Network Defense Tools (TS/SCI)

CACI International Inc.; St. Louis (MO); On-site; USD 75,000 - 158,000; Full time

Job summary

CACI International Inc. seeks a Cyber Security Engineer for the NGA Tools team to design, deploy, and sustain cybersecurity solutions across on-prem and cloud environments, defending NGA networks worldwide.

The role requires TS/SCI clearance, CI polygraph eligibility, and DoD 8570 IAT II certification, with 5+ years in network security, Linux scripting, and security tooling. Travel up to 10% and a strong focus on collaboration with government stakeholders.

Qualifications

• Active TS/SCI clearance required
• Ability to obtain/maintain CI polygraph
• DoD 8570 IAT II certification (Security+, CySA+, etc.) required

Responsibilities

• Design, implement, and deliver defensive cybersecurity solutions for on-prem and cloud environments.
• Deploy, configure, and maintain network security tools and ensure core services function per design.
• Develop and maintain network architecture diagrams, inventories, and licensing status.
• Provide written reports and oral briefings to contract and government leadership.
• Coordinate issues with stakeholders to ensure task completeness and customer satisfaction.
• Evaluate and report on new/emerging network security technologies to enhance capacity, performance and reliability.

Skills

Network security

Linux administration

Scripting

DoD 8570 IAT II certification

CEH/CySA+/CySA+

Independent work

Education

Bachelor’s degree in Computer Science, Information Technology, Computer Engineering, Electrical Engineering, or related field

Tools

VectraAI

Extrahop

Darktrace

Corelight

Cisco Firepower

Trellix NX

NetWitness

Job description

CACI International Inc. seeks a Cyber Security Engineer for the NGA Tools team to design, deploy, and sustain cybersecurity solutions across on-prem and cloud environments, defending NGA networks worldwide.

The role requires TS/SCI clearance, CI polygraph eligibility, and DoD 8570 IAT II certification, with 5+ years in network security, Linux scripting, and security tooling. Travel up to 10% and a strong focus on collaboration with government stakeholders.