CACI International Inc · 18 hours ago
Cyber Defense Infrastructure Support Engineer
Suitland, MD
Full-time
Onsite
Senior Level, Lead/Staff
$121K/yr - $266K/yr
10+ years expCACI International Inc is seeking a skilled and experienced Cyber Defense Infrastructure Support Engineer to join their dynamic team to support a DoD client. The ideal candidate will have a robust background in cyber security, network technologies, and infrastructure support, focusing on designing, implementing, and maintaining secure network environments.
Information TechnologyService IndustrySoftware
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Network Security: Design, develop, integrate, implement, operate, and analyze cyber security technologies across LAN/WAN environments
CND Expertise: Provide concentrated experience in Computer Network Defense (CND) including incident management, threat analysis, and remediation
Technology Implementation: Install, network, configure, integrate, administer, maintain, and perform RMF functions on new cybersecurity technologies, including Zero Trust and Cloud resources (AWS, Azure)
Intrusion Detection/Prevention: Engineer, test, configure, tune, administer, and operate Network Intrusion Detection/Prevention Systems (NIDPS) and host-based intrusion detection/prevention solutions
Vulnerability Management: Conduct vulnerability assessments and manage remediation using tools like BeyondTrust Retina and Tenable Nessus (ACAS)
SIEM Systems: Administer and operate Security Information and Event Management (SIEM) systems such as Splunk and Elastic
Forensics and Penetration Testing: Perform forensic processes for data collection and analysis, and conduct penetration testing/Red Teaming activities
Documentation: Write technical documents, 'best practices,' manuals, and standard operating procedures in accordance with Federal, DoD, IC, and industry standards
SDLC Process: Participate in the System/Software Development Life Cycle (SDLC) Process
Emerging Technologies: Identify and research emerging technologies, assessing their technical and performance characteristics
Stakeholder Communication: Effectively communicate complex technical issues in business terms to all levels of management, mission stakeholders, and customers
Qualification
Required
TS/SCI Security Clearance
BA/BS in Computer Science, Information Technology, Information Assurance, or a related field desired; Master's preferred
Without a degree, 15+ years of relevant professional experience is required
10+ years of professional experience with LAN/WAN technologies, networking protocols, file systems, ports, services, and commands (Windows and Unix/Linux)
8+ years of concentrated experience in the CND discipline
6+ years of experience in the design, development, integration, implementation, operation, and analysis of cyber security technologies
Effective interpersonal, organizational, time management, writing/documentation, and briefing skills with strong attention to detail
Strong analytical, conceptual, and problem-solving skills
Proven ability to communicate effectively with all levels of management, mission stakeholders, and customers
Proven ability to think outside the box by providing innovative, creative solutions to complex cyber security issues
Proven ability to prioritize, execute, and complete tasks with little to no direction in a high-pressure environment
Significant experience utilizing Federal, DoD, IC, and industry standards
Significant experience in the SDLC Process
Significant experience in identifying and conducting research in emerging technologies
Significant experience in writing technical documents addressing complex, sensitive issues
Significant experience in the development and implementation of CND tactics, techniques, and procedures (TTPs)
Expert knowledge of policies and processes related to CND implementation, execution, and management
Expert knowledge of incident management
Benefits
Healthcare
Wellness
Financial
Retirement
Family support
Continuing education
Time off benefits
Company
CACI International Inc
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.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$1B2025-05-21Post 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
2026-01-25
2026-01-22
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