Cybersecurity Systems Engineer

Job Overview

General information Requisition # R67385 Locations USA-Remote Work Posting Date 05/06/2026 Security Clearance Required Secret Remote Type Fully Remote Time Type Full time & Requirements Shape the future of defense with MANTECH!

Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact.

Job Description

Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now-protect and innovate with MANTECH!

***This is for a future opportunity*** MANTECH seeks a motivated, career and customer-oriented Cybersecurity Systems Engineer to join our team.

Maintaining, updating, and conducting routine vulnerability scanning, log analysis, and security event reviews across all systems.

Key Responsibilities

• Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact.
• The Cybersecurity Systems Engineer will leverage their strong technical background and knowledge to support the design, implementation, and sustainment of secure mission systems in support of Sponsor objectives.
• You will help ensure cybersecurity is engineered into cloud, platform, and data systems while supporting RMF/ATO processes and enabling secure delivery of operational capabilities in distributed and degraded (D-DIL) conditions.
• Responsibilities include but are not limited to: Designing and implementing cybersecurity controls across cloud, hybrid, and mission system environments including identity, access control, and monitoring.
• Maintaining system baselines and configuration management items to ensure systems are hardened and compliant with required DISA STIGs.
• Working with all stakeholders to ensure complete and functioning systems that meet security requirements while supporting rapid deployment of AI/ML workloads.
• Minimum Qualifications: Bachelor's degree in Cybersecurity or a related field and 8+ years of progressively responsible experience in Information Systems Security (additional experience may substitute for degree).
• Experience inventorying complex networks and creating documentation for security compliance, configuration management, and centralized authentication.

Required Skills and Qualifications

• General information Requisition # R67385 Locations USA-Remote Work Posting Date 05/06/2026 Security Clearance Required Secret Remote Type Fully Remote Time Type Full time & Requirements Shape the future of defense with MANTECH!
• The Cybersecurity Systems Engineer will leverage their strong technical background and knowledge to support the design, implementation, and sustainment of secure mission systems in support of Sponsor objectives.
• Creating, updating, and maintaining required Body of Evidence (BOE) documentation, RMF/ATO artifacts, and security control documentation in alignment with ICD 503 and NIST RMF.
• Maintaining system baselines and configuration management items to ensure systems are hardened and compliant with required DISA STIGs.
• Minimum Qualifications: Bachelor's degree in Cybersecurity or a related field and 8+ years of progressively responsible experience in Information Systems Security (additional experience may substitute for degree).
• Significant experience navigating the Sponsor's accreditation process and ICD 503 requirements, especially as it relates to creating A&A Body of Evidence (BOE) documentation.
• Significant experience meeting security requirements, implementing controls, and performing vulnerability scanning in the Sponsor's environment or similar environments.
• Experience working across a large team to drive a security agenda and working with complex, intertwined systems, data flows, and CI/CD pipelines.

Benefits and Perks

• MANTECH’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

Work Location and Schedule

This role is listed as Remote USA with location information shown as Remote USA. The employment type is Full Time.

About the Company

ManTech is the organization connected with this listing. USA Jobs Today displays this opportunity for job discovery only, so applicants should verify company details, application instructions, and eligibility on the official employer website.