Information System Security Officer

General information

Requisition # R66618 Locations USA-MD-Annapolis Junction Posting Date 03/12/2026 Security Clearance Required TS/SCI w/ Poly Remote Type Onsite Time Type Full time

Description & Requirements

Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Information Systems Security Officer (ISSO) to join our team in the Annapolis Junction, MD.

Responsibilities include but are not limited to:

• Develops and maintains system security certification and accreditation services for our Information Technology (IT) Refresh and Reset Program in accordance with contractual requirements. Reviews and evaluates complex customer security issues and implements corrective actions as needed.
• Interfaces with customers and the Information Community (IC) to resolve Security problems and provide information on containment or resolution.
• Ensures that problems have been properly identified and solutions will satisfy the user's requirements. Generate daily reports and implement necessary updates.
• Collaborate with field service operation technicians to address their support tickets.
• Advises on vulnerability management and scanning practices.
• Apply knowledge of Information Assurance policies, procedures, and workforce structures to design, develop, and implement secure networking, computing, and enclave environments.
• Support security planning, assessment, risk analysis, and risk management using the Risk Management Framework (RMF).
• Identify overall security requirements for the proper handling and protection of government data.

Minimum Qualifications:

• Willingness to learn ISSO tasks with a Bachelor degree in technical related discipline
• Experience in Security Solutioning in a customer service arena.
• Cyber and/or IT certifications such as Certified Information Systems Security Professional (CISSP), Certified Ethical Hacker (CEH), or CompTIA’s Advanced Security Practitioner (CASP) or Security+ (Sec+) for DoD 8570 compliance is required.
• Expertise in providing strong written and verbal communication conveying solutions and best practices required.

Clearance Requirements:

• Must have a current/active TS/SCI w/ Poly

Physical Requirements:

• Must be able to remain in a stationary position for extended periods of time.
• 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.
• The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

The projected compensation range for this position is $91,600.00-$153,800.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories.  In addition, MANTECH invests in its employees beyond just compensation.  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.
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.