Information System Security Operator (ISSO)

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: ISSO

Job Type: Full Time

Location: Hybrid, Arlington, VA

Clearance Requirements: TS/SCI 

Travel: 2-3 days onsite

 

ABOUT THE TEAM

SIXGEN supports missions by serving government and commercial organizations as they overcome global cybersecurity challenges. In this position, you’ll provide meaningful support to our customer’s missions and operations. You’ll work alongside a team of highly skilled operators who are dedicated to using innovative processes, tools, and techniques to get things done. 

WHAT YOU’LL DO

• Ensure information systems comply with applicable security policies, standards, and regulatory requirements (e.g., NIST 800-53, RMF, FISMA).
• Develop, maintain, and manage security documentation such as System Security Plans (SSPs), Plans of Action and Milestones (POA&Ms), and risk assessments.
• Support system Authorization to Operate (ATO) efforts by coordinating with system owners, assessors, and other stakeholders throughout the RMF process.
• Conduct continuous monitoring of security controls, assess system vulnerabilities, and recommend appropriate mitigation strategies.
  Serve as a liaison between technical teams, security personnel, and leadership to ensure security risks are identified, documented, and addressed effectively.

REQUIRED QUALIFICATIONS

• US Citizen with current TS/SCI
• Bachelors Degree of science in Computer Science or related field (MS degree or PHD in related field may be subsituted for years of experience)
• Minimum 8 years experience (5 of which must be specialized experience including cybersecurity and tech controls)
• Strong understanding of U.S. government cybersecurity frameworks, particularly NIST 800-53, Risk Management Framework (RMF), and FISMA compliance.Experience developing and maintaining System Security Plans (SSPs), POA&Ms, and other security documentation.
• Familiarity with the Authorization to Operate (ATO) process and security assessment procedures.
• Hands on experience with STIGS, SRGS and knowledge of continuous monitoring, vulnerability management, and security control implementation 
• Strong communication and coordination skills for working with system owners, engineers, and assessment teams.
• Proficiency with tools commonly used in federal cybersecurity environments (e.g., eMASS, Xacta, or similar GRC platforms).

US Salary Range

$115,000 - $145,000 USD

The salary range for this role is an estimate based on a wide range of compensation factors, inclusive of base salary only. Actual salary offer may vary based on (but not limited to) work experience, education and/or training, critical skills, and/or business considerations. The final salary offer will be determined after a thorough review of the candidate's background and alignment with the role. 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

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.