Information Systems Security Officer

Job Description

Job Description

Join ClearEdge and be part of a mission-focused team solving some of the DoD’s most complex technical challenges. Every day, ClearEdge supports government and industry customers by delivering innovative solutions that enable critical operations and mission success.

ClearEdge offers an extremely competitive benefits package—including a $10k annual training and education benefit, a 10% 401(k) contribution fully vested on day one, annual health and technology allowances, and access to a state-of-the-art technology lab. Learn more at

The Information Systems Security Officer will be responsible for maintaining the security posture of information systems by evaluating security solutions, managing configuration, and ensuring compliance with policies for classified information. 

You Will Excel in the Role if You Are:

• A detail-oriented security professional who takes ownership of maintaining and improving the operational security posture of complex information systems
• A clear communicator who can propose, coordinate, and enforce security policies across teams and programs
• Comfortable serving as an Approval Authority and making sound, independent security decisions
• Collaborative by nature, supporting ISSMs and senior ISSOs while also contributing individually to team goals
• Someone who models integrity and accountability in all aspects of their work, consistent with core values of Honesty, Integrity, Loyalty, Fairness, Respect, Responsibility, and Accountability

A Day in the Life Consists of:

• Planning and coordinating IT security programs and policies across assigned information systems
• Managing and controlling system changes and assessing their security impact
• Supporting the certification and accreditation (C&A) process in accordance with ODNI and DoD policies
• Maintaining operational security posture and performing day-to-day security operations
• Evaluating security solutions to ensure they meet requirements for processing classified information
• Administering user identification and authentication mechanisms for assigned Information Systems (IS)
• Maintaining records on workstations, servers, routers, firewalls, intelligent hubs, network switches, and other infrastructure, including system upgrades
• Providing configuration management (CM) for security-relevant software, hardware, and firmware
• Supporting senior ISSOs with implementing and enforcing information systems security policies, standards, and methodologies
• Assisting with the preparation and maintenance of security documentation

Must Haves:

• Bachelor of Science (BS) in Computer Science or a related technical field from an accredited university
• Minimum of 10 years of experience as an ISSO on programs and contracts of similar scope, type, and complexity
• Experience in at least one of the following: knowledge of current security tools, hardware/software security implementation, communication protocols, or encryption techniques/tools
• DoD 8570 compliance with Information Assurance Systems Technical (IAT), Level 1 or higher
• Knowledge of basic networking fundamentals 
• Experience with NIST 800-53 and NIST 800-171 
• Active or current TS/SCI Polygraph clearance, OR the ability to obtain and maintain a DoD Top Secret Security Clearance with SCI Access
• Experience with Cybersecurity Maturity Model Certification (CMMC) requirements, implementation, or compliance programs

Nice to Have:

• Experience supporting multiple programs or enclaves simultaneously
• Familiarity with ODNI-specific C&A documentation requirements
• Prior experience serving as an Approval Authority for classified information systems
• Advanced DoD 8570 certifications (IAT Level II or III, or IASAE)
• Experience with cloud security or hybrid environment security operations

ClearEdge is an established small business that values its employees and is committed to providing an environment where individuals can succeed and grow. We believe in developing our people, promoting from within, and fostering long-term career growth across the organization.

Our Core Values—Honesty, Integrity, Loyalty, Fairness, Respect, Responsibility, and Accountability—guide everything we do. These principles shape our culture, inform our decisions, and drive our commitment to excellence in support of our customers and partners.

If this position is not the right fit, we encourage you to visit our Careers page to explore other opportunities at ClearEdge or connect with one of our recruiters at View email address on us.fitly.work. ClearEdge is an equal opportunity employer.