Junior Information Systems Security Engineer

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 Junior Information Systems Security Engineer (ISSE) to join our Air Force / Space team at Eglin AFB.

The ISSE's primary function is to support the United States Air Force’s 53rd Wing Technical Support Services (53rd WTSS) contract.

Responsibilities include, but are not limited to:

• Perform system or network designs that encompass multiple Cloud hosting environments, to include those with differing data protection/classification requirements. Validate and verify security requirements, establish security designs, and develop security architectures.
• Support ATO accreditation with analyzing security scans, organizational policies, and perform continuous monitoring
• Provide security planning, assessment, risk analysis, and risk management. Perform/support or review security assessments to identify IA vulnerabilities or non-compliances and recommend mitigations.
• Recommend cybersecurity-enabled products to implement security measures that provide confidentiality, integrity, availability, authentication and non-repudiation.
• Work on project teams responsible for engineering and packaging releases to integrate within the customer's production IT environment
• Review, provide feedback, and help update/maintain SSP documentation.
• Support security authorization activities in compliance with Government standards and the RMF.

Minimum Qualifications:

• At least 1 year of direct/related experience in information security.
• Bachelor’s degree in related discipline from an accredited college or university. 2 additional years of experience may be substituted for a degree.
• Active / valid DoD 8570.01-M IAT-II certification

Clearance Requirements:

• Current Top-Secret Clearance with SCI Eligibility
• Eligibility for access to Special Access Program Information
• Willingness to submit to a Counterintelligence polygraph.

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.
• Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.
• 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.

General information

Requisition # R71697 Locations USA-FL-Eglin AFB Posting Date 10/27/2026 Security Clearance Required TS/SCI Remote Type Onsite Time Type Full time