I2X Technologies is seeking a Senior Information System Security Manager (ISSM) to support ongoing activities for a customer in Odenton, MD. This position will be on-site and will require an active Secret clearance. 

• Manage the Risk Management Framework (RMF) lifecycle for supported systems enabling the achievement and continued maintenance of Authority to Operate (ATO) accreditation.
• Provide ISSM, FISMA, and certification and accreditation support for systems and associated components.
• Conduct recurring assessments of security controls and documentation in eMASS and PPSM to verify continued accuracy, compliance, and readiness.
• Manage whitelist records, address vulnerabilities identified through recurring IAVMS scans, and develop Plans of Action and Milestones (POA&Ms) when required.
• Maintain eMASS control records and POA&Ms in accordance with ATO conditions, approval requirements, and remediation timelines.
• Coordinate cybersecurity activities supporting interim and final authorization to test and operate, including assessments, mitigation planning, patch validation, implementation tracking, and status reporting.
• Create and deliver cybersecurity test plans, test reports, implementation plans, security technical configuration documentation, vulnerability assessment reports, and authorization package materials.
• Lead cybersecurity governance and reporting activities, including the development and maintenance of system architectures, requirements, security plans, protection plans, IAVA actions, and IA-related objectives.
• Prepare program documentation, evidence, and briefings for DISA OAB reviews and support the team throughout the review process.

• Bachelor’s Degree with 8+ years of experience or Master’s degree with 6+ years of experience. Additional experience may be considered in lieu of a degree.
• CISSP (Certified Information Systems Security Professional), CISM (Certified Information Security Manager), or similar cybersecurity certification.
• In-depth knowledge of DoD cybersecurity policies, frameworks, and compliance standards (e.g., NIST 800-53, RMF, FISMA, ICD 503, JSIG).
• In-depth experience with network systems and building/maintaining an ATO for enterprise computing information systems.
• Experience with system security engineering, risk management, and vulnerability assessments.
• Strong understanding of network security, security controls, and common cybersecurity tools (e.g., firewalls, IDS/IPS, SIEM, endpoint protection).
• Ability to work independently and collaborate effectively with cross-functional teams.
• Strong communication skills, including the ability to create and present detailed security reports to stakeholders.
• Clearance: US Secret clearance required

Preferred Qualifications:

• Experience in managing security for complex DoD programs or mission-critical systems.
• Experience with security tools for vulnerability scanning, penetration testing, and security auditing.
• Advanced security certifications (e.g., CISA, CEH, CSSP, etc.).
• Experience with configuration management and change management processes in a secure environment.
• Experience with automation and the continuous ATO (cATO) process.

Additional Information:In compliance with Colorado’s Equal Pay for Equal Work Act, the annual base salary range for this position is listed. Please note that the salary information is a general guideline only. I2X Technologies considers factors such as (but not limited to) scope and responsibilities of the position, candidate’s work experience, education/training, key skills, internal peer equity, as well as, market and business considerations when extending an offer.

Physical Demands:

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job with or without reasonable accommodation.

While performing the duties of this job, the employee will regularly sit, walk, stand and climb stairs and steps. May require walking long distance from parking to work station. Occasionally, movement that requires twisting at the neck and/or trunk more than the average person, squatting/ stooping/kneeling, reaching above the head, and forward motion will be required. The employee will continuously be required to repeat the same hand, arm, or finger motion many times. Manual and finger dexterity are essential to this position. Specific vision abilities required by this job include close, distance, depth perception and telling differences among colors. The employee must be able to communicate through speech with clients and public. Hearing requirements include conversation in both quiet and noisy environments. Lifting may require floor to waist, waist to shoulder, or shoulder to overhead movement of up to 20 pounds. This position demands tolerance for various levels of mental stress.