Information Systems Security Engineer

General information

Requisition # R65510 Locations USA-Remote Work Posting Date 01/30/2026 Security Clearance Required Secret Remote Type Fully Remote 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!

MANTECH seeks a motivated, career and customer-oriented Information Systems Security Engineer (ISSE) to join our team. This is a remote position.
 
As an ISSE, you will have the opportunity to work on innovative and mission-critical and national security projects. You will collaborate with a skilled team of professionals, responsible for developing accreditation packages for cloud systems in both AWS and Azure environments. This position offers great opportunities for technical growth and improved experience in Cyber Security.

Responsibilities include but are not limited to:

• Performing cyber security research under NAVSEA for cloud and network solutions

• Developing, defining, and aiding in implementing cyber security policies and processes

• Defining IS and Network Environment security requirements in accordance with applicable cybersecurity requirements

• Supporting A&A packages for multiple projects

• Applying security expertise to new modernization cyber solutions that provide confidentiality, integrity, availability, authentication, and non-repudiation for security policies and memorandum for records

• Developing Plan of Action and Milestones with proper Mitigations or Remediations, accordingly

• Developing approaches to mitigate IS and Cloud Network Environment vulnerabilities and recommend changes to network or network system components as needed

Minimum Qualifications:

• High School Diploma

• 8+ years of relevant experience

• 5+ years developing secure solutions for incident response, business continuity, and disaster recovery

• 3+ years implementing security controls and policies across access control, PAM, data security, network and cloud security, DLP, vulnerability and configuration management, privacy, and audits

• Hands-on experience with STIG Viewer, eMASSter, and Tenable Nessus and/or Security Center

• Experience supporting federal cybersecurity compliance and frameworks, including FISMA, RMF, FEAF, DoDAF, NIST CSF, NIST 800-series, FedRAMP, and cloud security controls