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CACI International Inc · 12 hours ago

Cyber Security Engineer

Aberdeen Proving Ground, MD

Full-time

Onsite

Senior Level

$83K/yr - $174K/yr

5+ years exp

CACI International Inc is seeking a Cyber Security Engineer to join their elite cybersecurity team at the C5ISR Center located at Aberdeen Proving Ground, MD. The role involves conducting advanced vulnerability assessments and penetration testing to enhance national security and protect critical infrastructure.

Information TechnologyService IndustrySoftware

Comp. & Benefits

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Conduct In-Depth Security Assessments: Identify vulnerabilities and propose robust mitigation strategies across diverse technologies

Master the Art of Penetration Testing: Utilize the complete penetration testing lifecycle to evaluate web applications, networked devices, standalone software, and more

Stay Ahead of the Curve: Employ proven methodologies and adaptive techniques to maintain a cutting-edge approach

Innovate Continuously: Evaluate and integrate new tools and tactics to ensure your testing remains effective and impactful

Drive Research and Development: Contribute to ongoing efforts exploring current and emerging technologies to expand our team’s capabilities

Embrace New Experiences: Enjoy occasional travel (up to 10%) to apply your skills in various environments

Qualification

Technical cybersecurity assessmentsPenetration testingNetwork traffic analysisLinuxWindows internalsNetworking protocolsWiresharkBurp SuiteHypervisor virtualizationDoD TS/SCI clearanceIAT Level II certificationOSCP certificationBasic cryptography knowledgeProgramming/scripting experienceCode analysisHardware hacking techniquesCOTS/GOTS radios knowledgeCommunication skills

Required

Active DoD Secret clearance with the ability to obtain and maintain a TS/SCI clearance

Minimum of 5 years of experience in technical cybersecurity assessments and/or penetration testing

Proficiency in utilizing tools and methodologies to evaluate network and application-level technologies

Intermediate knowledge of Linux and Windows internals

Strong technical understanding of networking protocols, hardware, and software

Ability to interpret network traffic using tools like Wireshark and Burp Suite

Familiarity with hypervisor virtualization (VMware, VirtualBox, ESXi)

Excellent written and verbal communication skills

Ability to work in a secure SCIF lab setting and collaborate effectively both individually and as part of a team

Preferred

Active DoD TS/SCI clearance

DoD 8570 IAT Level II certification (Security+ or equivalent)

OSCP or equivalent certification

Basic cryptography knowledge

Basic programming/scripting experience (Python, Java, C/C++, bash)

Code analysis and reverse engineering experience

Knowledge of chip-off, fault-injection, and similar hardware hacking techniques

Familiarity with COTS/GOTS radios, SDRs, and RF concepts

Benefits

Healthcare

Wellness

Financial

Retirement

Family support

Continuing education

Time off benefits

Company

CACI International Inc

Glassdoor4.0

At CACI International Inc (NYSE: CACI), our 25,000 talented and dynamic employees are ever vigilant in delivering distinctive expertise and technology to meet our customers’ greatest challenges in national security.

Founded in 1962

Arlington, Virginia, USA

10001+ employees

https://www.caci.com

Funding

Current Stage

Public Company

Total Funding

$1B

2025-05-21Post Ipo Debt· $1B

2003-01-10IPO

Leadership Team

John Mengucci

President & CEO

Darryl W Burke

Senior Vice President / Air Force Client Executive

Recent News

Washington Technology

CACI's outlook on the government's commercial acquisition push

2026-01-25

TradingView

BRIEF-CACI International Q2 Adjusted EPS USD 6.81 Vs. IBES Estimate USD 6.44

2026-01-22

Benzinga.com

CACI International Likely To Report Higher Q4 Earnings; These Most Accurate Analysts Revise Forecasts Ahead Of Earnings Call

2026-01-22

Company data provided by crunchbase