ManTech International

Cybersecurity Systems Engineer

ManTech International$90K — $120K *
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Cybersecurity or related field with 8+ years in Information Systems Security (experience may substitute for degree).
  • Experience navigating the Sponsor's accreditation process and ICD 503 requirements.
  • Proven track record in implementing security controls and conducting vulnerability scans.
  • Strong collaboration skills in managing security agendas across large, complex environments.
  • Ability to document security compliance and manage configuration in intricate network setups.
  • Experience with Zero Trust principles and technical documentation in data systems security.
  • Must have active DoD 8140 baseline certifications (e.g., Security+, CySA+, CISSP).

Responsibilities

  • Design and implement cybersecurity controls tailored to cloud and mission system environments.
  • Develop and maintain Body of Evidence documentation and RMF/ATO artifacts.
  • Conduct routine vulnerability scans and analyze security events across systems.
  • Ensure system configurations comply with DISA STIGs and maintain hardened baselines.
  • Integrate security practices into CI/CD pipelines and automate using Infrastructure as Code.
  • Enforce Zero Trust principles and identity-based access control measures.
  • Collaborate with stakeholders to ensure rapid deployment of secure AI/ML solutions.

Benefits

  • Opportunity for professional development in cybersecurity.
  • Work in a collaborative environment with a focus on secure mission systems.
  • Engagement with cutting-edge technology and security practices.
  • Contribute to national security objectives in a key defense sector.
Full Job Description
Description & Requirements

***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.


About ManTech International

ManTech International Corporation is an American defense contracting firm that was founded in 1968. The company provides cybersecurity, intelligence, and defense solutions to the United States Government. ManTech has over 9,000 employees and operates in 40 countries worldwide. The company's services include software development, systems engineering, and enterprise IT solutions. ManTech has been awarded numerous contracts by the U.S. Department of Defense and other government agencies.
Learn more about ManTech International
Size
9,800 employees
Market Cap
$3.7 billion
Industry
Net Income
$120.5 million
Founded
1968
5 Year Trend
+9.8%
Revenue
$2.5 billion
NASDAQ

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