Cybersecurity Subject Matter Expert

General information

Requisition # R60858 Locations USA-VA-Herndon Posting Date 06/02/2025 Security Clearance Required Secret Remote Type Hybrid 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 Cybersecurity Subject Matter Expert (SME) to join our team in the DC, Maryland, and Virginia (DMV) area.

In this role you will provide expert-level reach back support and guidance to our Network Operations Security Center (NOSC). The ideal candidate will possess extensive knowledge and experience in cybersecurity principles, practices, and technologies, and will play a key role in enhancing our security posture and technologies, mentoring staff, and driving security initiatives within the NOSC. This role reports to NOSC PM/DPM.

Responsibilities include, but are not limited to:

• Serve as a Subject Matter Expert (SME) in cybersecurity, providing expert guidance and support to NOSC staff.
• Develop, implement, and maintain security policies, procedures, and standards for the NOSC.
• Design, implement, and manage security tools and technologies used in the NOSC, such as SIEMs, IDS/IPS, firewalls, and vulnerability scanners.
• Conduct advanced security analysis, including threat hunting, incident response, and digital forensics.
• Provide assistance during advanced security incident investigations, providing expert analysis and guidance to incident response teams.
• Evaluate and recommend new security technologies and solutions to improve the NOSC's security posture.
• Collaborate with other teams outside of the NOSC to apply lessons learned, and ensure security is integrated into all aspects of NOSC operations.

Minimum Qualifications:

• Bachelor's degree in Cybersecurity, Information Assurance, Computer Science, or a related field.
• 3+ years of experience in cybersecurity, with a focus on NOSC operations or related areas.
• Expert-level knowledge of security principles, concepts, and technologies.
• Extensive experience with security frameworks and standards such as NIST, ISO 27001, and FedRAMP.
• Proven ability to design, implement, and manage security tools and technologies used in NOSC environments.
• Strong experience in security analysis, incident response, and digital forensics.
• Excellent communication, interpersonal, and leadership skills.

Preferred Qualifications:

• Experience and established relationships with other Network Operations Security Providers from other sectors and industries.
• Knowledge of specific application domains, such as incident response, digital forensics, or threat hunting.
• Experience with security tools and technologies commonly used in SOC environments (e.g., SIEMs, IDS/IPS, firewalls).
• Strong communication and collaboration skills, with the ability to effectively convey complex security concepts to both technical and non-technical audiences.
• Relevant certifications such as CISSP, GCIA, GCIH, or OSCP.
• Experience with scripting and automation tools (e.g., Python, Ansible).
• Familiarity with risk management methodologies (e.g., NIST Risk Management Framework).

Clearance Requirements: 

• Must have a current/active Secret clearance with the ability to obtain and maintain a TS/SCI.
• The ability to obtain and maintain a DHS EOD suitability is required prior to starting this position.

Physical Requirements: 

• Must be able to remain in a stationary position 50% 
• Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer 
• The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc. 

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.