Senior Cyber Security Engineer (Systems Architect)

Washington, DC, US
Full-time
$94,400 - $198,200
Posted Nov 13, 2026

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Skills

Agile
CI/CD
Communication
Compliance
Cybersecurity
Operations
TypeScript

Job description

Job Title: Senior Cyber Security Engineer (Systems Architect)

Job Category: Engineering

Time Type: Full time

Minimum Clearance Required to Start: Top Secret

Employee Type: Regular

Percentage of Travel Required: None

Type of Travel: None

•* *

The Opportunity:

CACI is seeking a Senior Systems Architect / Cyber Security Engineer to support a critical Department of Justice agency in the National Capital Region. In this role, you will help shape and implement enterprise cybersecurity strategies that protect mission-critical applications, systems, and data from evolving cyber threats.

As a key member of an Agile team, you will collaborate with architects, engineers, and security professionals to design, implement, and enhance secure technology solutions. This is an exciting opportunity to work on high-impact initiatives where your expertise will directly contribute to the security, resilience, and compliance of a complex enterprise environment.

The ideal candidate is a proactive problem solver with strong technical expertise, a solid understanding of security best practices, and the ability to communicate effectively with both technical and non-technical stakeholders.

Responsibilities:

•Lead cybersecurity engineering efforts to strengthen the security posture of enterprise applications, infrastructure, and networks.

•Conduct security assessments, vulnerability analyses, penetration testing, and system audits to identify risks and recommend remediation strategies.

•Monitor systems for security events and anomalies, investigate incidents, and implement corrective actions to mitigate vulnerabilities.

•Configure, maintain, and secure Windows-based servers and supporting infrastructure.

•Develop and maintain incident response plans that support rapid recovery and business continuity during security events.

•Collaborate with development and operations teams to integrate security throughout the Software Development Lifecycle (SDLC).

•Create, maintain, and enforce cybersecurity policies, standards, procedures, and technical documentation.

•Evaluate system architectures and security controls to ensure compliance with federal and organizational requirements.

•Support vulnerability management activities, including tracking findings through remediation and validation.

•Partner with engineers, Information System Security Officers (ISSOs), and assessors to support security compliance initiatives and authorization activities.

Qualifications:

Required:

•Active Top Secret (TS) security clearance.

•Bachelor's degree in Information Technology, Cybersecurity, Computer Science, Engineering, or a related field.

•5 years of experience in cybersecurity engineering, systems administration, networking, or Windows Server administration.

•Strong understanding of the Software Development Lifecycle (SDLC), including Agile and iterative development methodologies.

•Experience developing clear technical and security documentation for both technical and non-technical audiences.

•Ability to engage and collaborate effectively with cross-functional stakeholders, including engineers, ISSOs, and security assessors.

•Experience reviewing, interpreting, and discussing system architecture documentation and technical design diagrams.

•Working knowledge of cloud technologies, networking, identity and access management (IAM), security monitoring, and logging concepts.

•Familiarity with version control systems, CI/CD pipelines, and vulnerability management processes.

•Ability to work onsite in Washington, DC, at least four days per week.

•Strong verbal and written communication skills.

Desired:

•Experience managing security findings and remediation activities resulting from vulnerability assessments and scans.

•Familiarity with federal cybersecurity compliance frameworks and processes, including Authority to Operate (ATO) lifecycle activities and Plan of Action and Milestones (POA&M) management.

•Advanced knowledge of application architecture and secure system design principles.

•Advanced experience with security logging, monitoring, and log management solutions.

•Advanced experience in vulnerability management and risk remediation.

•Exceptional verbal presentation, stakeholder engagement, and written communication skills.

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:

$94,400 - $198,200

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.