Cybersecurity Systems Engineer

ManTech International Corp

Fort Walton Beach, FL

JOB DETAILS
SKILLS
Access Control, Amazon Web Services (AWS), Analysis Skills, Artificial Intelligence (AI), Authentication, Automation, CCSP - Cisco Certified Security Professional, CISSP - Certified Information Systems Security Professional, Centralized Operations/Management, Cloud Computing, Computer Security, Configuration Management, Continuous Deployment/Delivery, Continuous Integration, Customer Relations, Defense Information Systems Agency (DISA), Documentation, Hybrid Cloud, Information Technology & Information Systems, Information/Data Security (InfoSec), Intelligence Community, Internet Security, Microsoft Windows Azure, Office Equipment, Operations Security (OPSEC), People Management, Presentation/Verbal Skills, Risk, Secret Clearance, Security Clearance, Security Compliance, Sensitive Compartmented Information (SCI), Software Engineering, Systems Engineering, Systems Maintenance, Top Secret Clearance, United States Department of Defense (DoD), Vulnerability Scanners
LOCATION
Fort Walton Beach, FL
POSTED
3 days ago

General information

Requisition #

R68425

Locations

USA-FL-Tampa, USA-FL-Fort Walton Beach

Posting Date

06/08/2026

Security Clearance Required

Secret

Remote Type

Onsite

Time Type

Full time

Description & 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. 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 in Tampa, FL.

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.

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

  • Maintaining system baselines and configuration management items to ensure systems are hardened and compliant with required DISA STIGs.

  • Integrating security into CI/CD pipelines and DevSecOps environments using automated scanning, policy enforcement, and Infrastructure as Code (IaC).

  • Implementing and enforcing Zero Trust security principles, identity-centric access controls (RBAC/ABAC), and data protection aligned with the DoD Data Strategy (VAULTIS).

  • 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).

  • 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.

  • Experience inventorying complex networks and creating documentation for security compliance, configuration management, and centralized authentication.

  • Experience creating, maintaining, and communicating complex information technology documentation, particularly regarding Zero Trust principles and data system security.

  • Must meet DoD 8140 (formerly 8570) baseline certification requirements, such as Security+, CySA+, or CISSP.

Preferred Qualifications:

  • Certified Information Systems Security Professional (CISSP) or CCSP certification.

  • Experience with the Sponsor's primary cyber risk and compliance automation tools, such as eMASS or equivalent.

  • Experience supporting USSOCOM, DoD, or Intelligence Community environments including familiarity with DoD Data Strategy (VAULTIS) and cloud security (AWS/Azure).

Clearance Requirements:

  • Must hold an active Secret security clearance and the ability to obtain and maintain a TS/SCI.

Physical Requirements:

  • Must be able to remain in a stationary position 50%.

  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.

  • Must be able to exchange accurate information in these situations.

MANTECH 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.

About the Company

M

ManTech International Corp

Our Mission Our mission is empowering our nation through a diverse and skilled workforce securely delivering innovative technology, consulting services and digital solutions for our customers’ mission success, every day. Our Vision Our vision is Securing the Future as the most trusted partner for U.S. Defense, Intelligence and Federal Civilian customers through the power of One ManTech. When these agencies think of an essential partner for their national and homeland security needs, they think ManTech. Our Values Our values are grounded in a bedrock of truth, integrity and caring for each other and the mission. We hold steadfast to: • TRUST – We earn and protect the trust of our customers, employees and investors through an enduring foundation of respect, fairness, credibility and honoring our commitments, always. • INCLUSION – We are an inclusive, diverse and talented workforce with a passion for mission success, intellectual capital, creativity and integrity. Our high ethical standards and investment in our people build confidence with our customers. • QUALITY– We deliver exceptional quality to customers through differentiated technology solutions and an uncompromising focus on excellence, value and innovation.
COMPANY SIZE
5,000 to 9,999 employees
INDUSTRY
Other/Not Classified
FOUNDED
1968
WEBSITE
https://www.mantech.com/about