ISSO (TS/SCI & CIPOLY)

SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital systems, and ensure operational superiority in an ever-evolving digital landscape. POSITION OVERVIEW Position: Information System Security Officer (ISSO) Job Type: Full-time Location: Fort Meade / Columbia, MD (Customer Site) Clearance Requirements: Must be a U.S. Citizen. Active TS/SCI with Polygraph required. WHAT YOU'LL DO We are seeking a skilled and motivated Information System Security Officer (ISSO) (ISSO) to support the security, compliance, and accreditation of mission-critical systems operating within classified environments. The ideal candidate will possess deep knowledge of Risk Management Framework (RMF), cybersecurity engineering principles, and information assurance best practices, with the ability to guide systems through the full lifecycle of security assessment, authorization, and continuous monitoring activities. This role requires a proactive problem solver who can work independently, develop secure solutions, and ensure information systems maintain compliance with Department of Defense and Intelligence Community cybersecurity requirements. KEY RESPONSIBILITIES Cybersecurity & Compliance Manage and maintain the cybersecurity posture of assigned information systems. Support systems through the Risk Management Framework (RMF) lifecycle, including assessment, authorization, and continuous monitoring activities. Develop, review, and maintain cybersecurity documentation, including System Security Plans (SSPs). Identify security risks, recommend mitigations, and support vulnerability remediation efforts. Security Engineering Design, implement, and assess security controls to ensure system confidentiality, integrity, and availability. Support system hardening, compliance activities, and secure architecture initiatives. Contribute to Zero Trust and cybersecurity modernization efforts. Collaboration & Reporting Provide cybersecurity guidance to engineers, system owners, and mission stakeholders. Develop recommendations and risk assessments to address complex cybersecurity challenges. Support audits, inspections, and security assessments. QUALIFICATIONS 5+ years of experience in cybersecurity, information assurance, or cybersecurity engineering. Strong knowledge of Risk Management Framework (RMF) and security authorization processes. Experience supporting classified environments and maintaining cybersecurity compliance. Experience reviewing and maintaining System Security Plans (SSPs) and related security documentation. Strong analytical, problem-solving, and communication skills. Must possess one of the following (or equivalent DoD 8570 IAM Level II certification): CAP CASP+ CISM CISSP (or Associate) GSLC CCISO PREFERRED QUALIFICATIONS Experience with DoD cybersecurity programs. Experience with Xacta 360 and/or eMASS. Knowledge of Zero Trust architectures. Familiarity with AWS, ACAS, VMware, WSUS, STIGs, and IAVAs. Background in systems engineering, network architecture, or secure infrastructure design. EXAMPLE TECHNOLOGIES & ENVIRONMENTS RMF and Security Authorization Frameworks Xacta 360 eMASS AWS ACAS VMware vCenter WSUS STIGs and IAVAs Enterprise Windows and Linux Environments Classified DoD and Intelligence Community Systems Zero Trust Architectures COMPENSATION & BENEFITS At SIXGEN, we are committed to fair and equitable compensation practices. Compensation for this role will be based on experience, qualifications, technical expertise, and overall alignment with the position. Additionally, SIXGEN offers top-tier benefits for full-time employees, including: Employer-paid health insurance premiums (medical, dental, vision) for you and your family Employer-paid short/long term disability insurance and basic life/AD&D insurance 401K with a 4% employer contribution Professional development reimbursement options available (training, certification, education, etc)​ Flexible and remote work policies for most positions Flexible PTO and holiday schedule For more information, please reach out to our Director of Human Resources, Amy Maxwell at [email protected] . OUR COMMITMENT SIXGEN is an Equal Opportunity Employer. We ensure that all applicants are considered for employment without regard to race, color, religion, sexual orientation, gender identity, national origin, disability, age, marital status, ancestry, projected veteran status, or any other protected group or class. We are committed to fostering an inclusive culture that values diversity in our people, reflecting the communities we serve and our customer base. We strive to attract and retain a diverse talent pool and create an environment where everyone is empowered to be their authentic selves at work.

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