Cyber Security Engineer Lead

General Information

Requisition # R63720 Locations USA-VA-Springfield Posting Date 10/17/2025 Security Clearance Required TS/SCI Remote Type Onsite Time Type Full time

Description & Requirements

Transform the future of federal services with MANTECH! Join a vibrant, energetic team committed to enhancing national security and public services through innovative tech. Since 1968, we’ve partnered with Federal Civilian sectors to deliver impactful solutions. Engage in exciting projects in Digital Transformation, Cybersecurity, IT, Data Analytics and more. Ignite your career and drive change. Your journey starts now—innovate and excel with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Cyber Security Engineer Lead to join our team in Springfield, VA. 
 

The Cyber Security Engineer Lead is responsible for the detection, identification, analysis, and reporting of cyber threats, intrusions, anomalous activities, and potential misuse of systems. This role supports the protection of customer’s digital assets and sensitive data through the administration, monitoring, and continuous improvement of cybersecurity technologies and processes.
 

Responsibilities include but are not limited to:      

• Threat Detection & Response: Identify, assess, and report potential cyber-attacks, intrusions, and abnormal system behaviors. Participate actively in incident response and recovery activities.
• Technology Administration: Administer and maintain systems supporting Identity Management, Privileged User Access, Access Control (firewall), End Point Protection, Internet Protection, Vulnerability Scanning, and Security Information and Event Management (SIEM) tools.
• Mitigation & Remediation: Develop and implement enterprise-level mitigation strategies to address complex vulnerabilities.
• Operational Support: Ensure proper installation, testing, patching, upgrading, and performance of cybersecurity tools and applications. Maintain system resiliency and availability across all managed technologies.
• Policy Enforcement & Compliance: Enforce cybersecurity policies, standards, and best practices in alignment with ManTech’s security framework and regulatory requirements.
• Leadership & Collaboration: Lead or participate in cross-functional projects and initiatives. Provide technical mentorship and subject matter expertise to junior team members.; Continuous Improvement: Interpret internal and external cybersecurity trends and business challenges; recommend and implement innovative solutions to strengthen the enterprise securityposture.
• Monitor intrusion detection and prevention systems and other security event data sources; determine if security events monitored should be escalated to incidents and follow all applicable incident response and reporting processes and procedures. 

Minimum Qualifications:

• Bachelor’s Degree in Cybersecurity, Information Technology, Computer Science, or a related Cyber Security field.
• Certified Information Systems Security Professional (CISSP) certification (required within 6 months of assignment to the position, otherwise failure to obtain certification within 6 months of assignment to the position may result in removal).
• 8+ years of relevant cybersecurity experience, including hands-on technical administration and operational security support.
• Strong analytical and problem-solving abilities
• Deep knowledge of cybersecurity frameworks, principles, and technologies
• Proficiency in SIEM, endpoint protection, and identity management tool
• Must be able to travel up to 25% 

Preferred Qualifications:

• Have a good understanding of DISA compliance directives and recommend having knowledge of the JSIG.
• Ability to lead small teams or projects
• Excellent communication and influence skills; Strong judgment in identifying and mitigating security risks
• Correlate data from intrusion detection and prevention systems with data from other sources

Clearance Requirements:

• Must have current/active TS/SCI with the ability to obtain and maintain a Yankee White security clearance 

Physical Requirements:

• Must be able to remain in a stationary position 50%The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
• Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.
•  The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations.
• Must be able to exchange accurate information in these situations.

MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.