Cyber Systems Engineer

General information

Requisition # R62074 Locations USA-VA-Mclean, USA-VA-Herndon Posting Date 07/25/2025 Security Clearance Required TS/SCI w/ Poly Remote Type Onsite Time Type Full time

Description & Requirements

Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with MANTECH!

Mantech seeks a highly technical and mission focused Cyber Systems Engineer to join our team in Herndon, VA. This position can also be based in McLean, VA with weekly travel the Herndon, VA per customer requirements.

This role is critical in enhancing our cyber defense capabilities through building and maintaining a cyber test range for the customer. Join an elite team of experts helping to defend critical national security assets.
 

Responsibilities include, but are not limited to:

• Design, implement, and manage secure, scalable systems across Windows, Linux, and cloud environments.
• Manage system configurations, patches, and updates in Windows, Linux, or hybrid environments.
• Develop and maintain scripts and automation tools using Python or similar programming languages
• Oversee virtual infrastructure (VMware, Hyper-V or similar) and deploy systems in AWS or Azure.
• Implement and manage automation workflows using SOAR platforms. Develop automated incident response playbooks to streamline CSOC processes.
• Enhance the effectiveness of Endpoint Detection and Response (EDR) solutions, Digital Forensics platforms, and Security Information and Event Management (SIEM) systems (Splunk, Elk or similar)
   

Minimum Qualifications:

• High School Diploma and 11+ years of experience as a Cyber Engineer, Systems Engineer or similar role within a cybersecurity environment or Bachelor’s degree in a technical field and 7+ years of experience
• Experience with Python, Javascript, Ruby, Perl or similar programming languages
• 8+ years of experience with Operating Systems, Network Infrastructure, Security Principles, and System Architecture

Preferred Qualifications:

• Relevant certifications such as CISSP, GIAC, CEH or similar
• Experience with automation and SOAR platforms
• Strong analytical, problem-solving, and communication skills

Clearance Requirements:

• Must have a current/active TS/SCI w/Polygraph clearance
   

Physical Requirements:

• The person in this position must be able to remain in a stationary position 50% of the time.

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.