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Cybersecurity Engineer Lead

CACI International Inc

148 ABERDEEN PROVING GROUND MD (ABERDEEN PROVING GROUND), United StatesFull Time

CACI International Inc

Posted 2026-09-09

About the role

Job Title: Cybersecurity Engineer Lead Job Category: Engineering 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 * * * The Opportunity:   Lead cybersecurity architecture development and implementation for complex Department of Defense intelligence, electronic warfare, and cyber systems. As a Cybersecurity   Engineer   Lead, you will:   Design and develop enterprise-level cybersecurity architectures for intelligence and mission systems   operating   across multiple security domains   Lead Zero Trust architecture implementation and Identity, Credential, and Access Management (ICAM) solutions for defense systems   Architect Cross Domain Solutions (CDS) and secure data transfer capabilities between unclassified, secret, and TS/SCI environments   Develop cybersecurity strategies, policies, and technical standards to protect mission-critical systems   Lead Risk Management Framework (RMF) activities and Authorization to Operate (ATO) efforts for complex systems   Provide technical leadership and mentorship to cybersecurity engineering teams   Interface with government program offices, Information System Security Managers (ISSMs), and Authorizing Officials         Responsibilities:   Architect   and implement Zero Trust security frameworks incorporating micro-segmentation, continuous verification, and   least-privilege   access controls   Design   secure system architectures that   comply with   NIST 800-53, NIST 800-171, DoD RMF, and Intelligence Community Directive (ICD) 503 requirements   Develop   security architecture artifacts including system security plans, security architecture diagrams, data flow diagrams, and threat models   Lead   security assessments, vulnerability analyses, penetration testing coordination, and security control validation activities   Architect   and   validate   Cross Domain Solutions (CDS) for Multi-Level Security (MLS) and secure information sharing across classification boundaries   Implement   Security Technical Implementation Guides (STIGs), secure configuration baselines, and automated compliance scanning solutions   Design   Identity and Access Management (IAM) solutions incorporating Multi-Factor Authentication (MFA), Role-Based Access Control (RBAC), and Attribute-Based Access Control (ABAC)   Architect   secure   DevSecOps   pipelines integrating continuous security validation, automated vulnerability scanning, and Infrastructure as Code ( IaC ) security controls   Develop   encryption strategies, Public Key Infrastructure (PKI) implementations, and cryptographic key management solutions   Lead   security architecture reviews, threat modeling sessions, and design review boards   Develop   cybersecurity roadmaps   identifying   modernization opportunities, emerging threats, and technology insertion strategies   Provide   technical guidance on security architecture decisions to program managers, system engineers, and development teams   Support   incident response planning, security event analysis, and continuous monitoring architectures   Maintain   current knowledge of emerging threats, attack vectors, and defensive technologies applicable to defense intelligence systems     Qualifications:  Required:     Active   Top Secret security clearance with SCI eligibility (required)   Master's   degree in Cybersecurity, Computer Engineering, Electrical Engineering, Electronics Engineering, or Mathematics with concentration in computer science   10 + years of professional experience with cybersecurity engineering and architecture   Demonstrated   experience architecting enterprise cybersecurity solutions for DoD or Intelligence Community systems   Strong   understanding of Zero Trust architecture principles and implementation strategies   Proven   experience with Risk Management Framework (RMF) processes including IATT, ATC, and ATO activities   Experience   designing and implementing Cross Domain Solutions (CDS) for multi-level security environments   Deep   knowledge of security frameworks including NIST 800-53, NIST 800-171, CNSSI 1253, and ICD 503   Experience   with Identity and Credential Access Management (ICAM)   architectures   and implementations   Strong   understanding of defense-in-depth strategies, network security architecture, and secure system design principles   Experience   with security assessment tools such as ACAS (Nessus),   eMASS, and security automation platforms   Demonstrated   ability to lead technical teams and influence cybersecurity strategy   Excellent   technical writing and communication skills with ability to brief senior leadership   IAM, IAT, or IASAE Level I certification per DoD 8570.01-M (or DoD 8140 equivalent)     Desired:       CISSP   (Certified Information Systems Security Professional) or CISM (Certified Information Security Manager) certification   CCSP   (Certified Cloud Security Professional) or cloud security architecture certifications (AWS Security, Azure Security)   Experience   with DoD Cybersecurity Maturity Model Certification (CMMC) requirements and implementation   Knowledge   of C5ISR, SIGINT, EW, or intelligence systems security requirements   Experience   with Secure Access Service Edge (SASE) and Software-Defined Perimeter (SDP) architectures   Familiarity   with container security, Kubernetes security, and cloud-native security architectures   Understanding   of AI/ML security considerations and adversarial machine learning threats   Knowledge   of electromagnetic spectrum operations security and TEMPEST requirements   Experience   with insider threat detection and User and Entity Behavior Analytics (UEBA)   Understanding   of supply chain risk management and hardware security   Familiarity   with secure communications systems and COMSEC principles   Experience   supporting government program offices in intelligence or   special access   programs   Background   in security engineering for tactical edge computing and disconnected/intermittent/limited (DIL) environments   - 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: $126,100 - 277,300 USD 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.

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Cybersecurity Engineer Lead at CACI International Inc — 148 ABERDEEN PROVING GROUND MD (ABERDEEN PROVING GROUND), United States | Sawell