Senior Cyber Security Engineer (Splunk)

Company: CACI
Location: Chantilly
Posted on: April 1, 2026

Job Description:

Job Title: Senior Cyber Security Engineer (Splunk) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * Exciting Opportunity: Senior Cyber Security Engineer (Splunk) – Chantilly, VA Join Our Dynamic Team and Make a Difference! Are you a passionate and skilled Cyber Security Engineer with a knack for Splunk? We’re looking for a Senior Cyber Security Engineer (Splunk) to become a vital part of our team in Chantilly, VA. This is your chance to contribute to a mission-critical initiative and directly impact cybersecurity operations through the administration and engineering of a large enterprise Splunk environment. Why You’ll Love This Role: Impactful Work: Be at the forefront of cyber defense, supporting critical initiatives and enhancing our enterprise’s security posture. Collaborative Environment: Work alongside talented technical teams and cyber analysts in a vibrant and dynamic setting. Professional Growth: Leverage your expertise and continue to develop your skills in a challenging and rewarding environment. Key Responsibilities: Splunk Administration: Manage the day-to-day operations of large enterprise Splunk deployments. Data Management: Troubleshoot data collection issues and ensure system stability and integrity. System Maintenance: Deploy and maintain both supported and unsupported Splunk add-ons. Upgrades and Patches: Execute Splunk Enterprise upgrades and apply necessary patches. Configuration and Deployment: Configure and deploy Splunk forwarders using centralized management tools. Security Enhancements: Maintain and tune Splunk Enterprise Security (ES) content and performance. Knowledge Management: Manage knowledge objects, data models, dashboards, alerts, and operational content. Integration Support: Support API integrations and external system connectivity. Documentation: Develop and maintain detailed engineering and compliance documentation. Collaboration: Work closely with cyber analysts and engineering teams to improve detection and response capabilities. Compliance: Apply relevant security policies, standards, and technical guidelines to ensure compliance. Access Controls: Enforce role-based access controls and operational security policies. Qualifications: An active NRO TS/SCI with Poly. Bachelor’s degree or 4 additional years of cybersecurity experience in lieu of a degree. 5 years of experience in an enterprise and/or cybersecurity-focused environment. Experience with Splunk administration and engineering. Experience with Splunk Enterprise Security (ES) operations and configurations. Proficiency with Unix and Windows environments. DoD 8570 IAT Level II certification (e.g., Security, CCNA-Security, GSEC). Preferred Qualifications: Splunk certifications such as Architect, Consultant I/II, Admin, or Power User. Experience with scripting or programming languages (e.g., Bash, Python, Java, Perl, .NET). Familiarity with developing and deploying operational and security use cases within Splunk. Physical Requirements: Must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers via email, phone, or virtual communication, which may involve delivering presentations. Ready to Take the Next Step in Your Career? Apply now and join a team where your skills and expertise will be valued and make a real difference in the world of cybersecurity! - 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: $103,800 - $218,100 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.

Keywords: CACI, Columbia , Senior Cyber Security Engineer (Splunk), IT / Software / Systems , Chantilly, Maryland