Information Systems Security Officer Level 1

Markon is seeking an experienced Information Systems Security Officer Level 1 to support the Fort Meade customer. This role will support information systems security operations, maintain compliance with federal security requirements, and ensure the protection of classified systems and networks. The position will work closely with security managers, system administrators, and technical teams to manage security documentation, monitor system activity, assess vulnerabilities, and maintain system authorization under the Risk Management Framework.

• Implement, maintain, and enforce information systems security policies, standards, and procedures in accordance with DoD and Intelligence Community requirements.

• Support Risk Management Framework activities, including system authorization, continuous monitoring, and security compliance assessments.

• Develop and maintain security documentation, including system security plans, risk assessments, certification and accreditation packages, and security requirements traceability matrices.

• Monitor security events, analyze system logs, and support incident detection and response using Splunk.

• Evaluate security risks, vulnerabilities, and proposed security solutions to ensure the protection of classified information systems.

• Maintain configuration management records for security-related hardware, software, firmware, and system changes.

• Review system modifications and upgrades to assess security impacts and ensure continued compliance with established requirements.

• Support security managers in maintaining the operational security posture of assigned systems, programs, and enclaves.

• Administer and monitor user identification, authentication, and access control processes.

• Coordinate with system administrators, engineers, and security personnel to resolve security findings and implement corrective actions.

Required Qualifications 

• Active TS/SCI clearance with Polygraph required.

• Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or a related technical field. Four additional years of ISSO experience may be substituted for the degree.

• 5+ years of experience as an Information Systems Security Officer supporting programs or contracts of similar scope, type, and complexity.

• DoD 8570 IAT Level I certification or higher required.

• Experience with at least one of the following: security tools, hardware/software security implementation, communication protocols, or encryption technologies.

• Experience supporting system authorization, security compliance, and Risk Management Framework activities.

• Experience developing and maintaining system security plans, risk assessments, and security authorization documentation.

• Experience monitoring security events and analyzing logs using Splunk.

• Knowledge of information systems security policies, configuration management, and access control procedures.

• Strong analytical, troubleshooting, documentation, and communication skills.

• Experience supporting classified DoD or Intelligence Community information systems.

• Familiarity with NIST security controls, ODNI policies, and DoD cybersecurity requirements.

• Experience with vulnerability assessment tools, security scanning, and continuous monitoring.

• Experience supporting system authorization packages and audit readiness activities.

• Experience collaborating with security managers, system administrators, and engineering teams to maintain system security compliance.

Eager to join a team where your skills are valued, your growth is nurtured, and your impact is profound? Look no further than Markon, a premier consulting firm deeply dedicated to advancing our nation's most critical missions.

At Markon, we don't just offer jobs – we offer opportunities for personal and professional transformation. Empowering our employees to lead, innovate, and excel, we foster an environment where new ideas are not just welcomed but celebrated. As a perennial Washington Post Top Workplace, we prioritize the well-being and success of our team members, ensuring they can bring their best selves to work.

Headquartered in Falls Church, Virginia, Markon has garnered national recognition for our unwavering dedication to excellence in serving the intelligence community, as well as federal civilian and defense agencies. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.

Markon values people and the tremendous impact each individual can make – which is why we’re consistently recognized as one of the best places to work in federal government consulting. Here, you can help solve the nation’s most important challenges, surrounded by colleagues who help you grow, advance, and succeed. We are deeply dedicated to what matters – bringing out the best in each other to advance our clients’ missions.Join us and make a meaningful impact.

Markon is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, national origin, age, protected veteran status, or disability status. This job posting will remain open until the position is filled.

Benefits Offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Training and Tuition Assistance, Paid Time Off, and Holidays.