
Information Systems Security Officer (ISSO)
CesiumAstro · Austin, TX
- On site
- Full-time
- $95,000 / year
- Austin, TX
Job highlights
- Support information system security controls.
- Ensure DoD cybersecurity compliance.
- Assist with system authorization activities.
- Monitor vulnerabilities and risks.
- Collaborate with cross-functional teams.
About the role
Information Systems Security Officer at CesiumAstro
CesiumAstro is seeking a passionate and forward-thinking Information Systems Security Officer (ISSO) to join our dynamic team. We are pioneers in developing out-of-the-box communication systems for space and airborne platforms. This role offers hands-on, interactive, and autonomous work in a cross-functional environment.
About the Role
The ISSO will assist in the development, implementation, and maintenance of our information security strategy. You will be responsible for supporting the execution, maintenance, and continuous monitoring of information system security controls for classified and unclassified systems within an aerospace and defense environment. This role is crucial for ensuring compliance with DoD cybersecurity requirements, including NIST SP 800-53, NIST SP 800-171, RMF, and CMMC Level 2.
Key Responsibilities
- Assist with the implementation and maintenance of security controls according to NIST SP 800-53, NIST SP 800-171, RMF, and CMMC requirements.
- Support system authorization activities, including the creation of System Security Plans (SSPs) and Plans of Action & Milestones (POA&Ms).
- Perform vulnerability tracking and support remediation efforts.
- Support internal and external audits, assessments, and customer reviews.
- Provide support for classified systems and SCIF environments under ISSM guidance, ensuring adherence to handling, marking, and access control requirements.
- Assist with SCIF sustainment and compliance activities.
- Identify, assess, and document cybersecurity risks.
- Support cybersecurity incident response, reporting, and remediation activities.
- Participate in configuration change reviews to assess security impact.
- Partner with IT, engineering, and program teams to ensure secure system operations.
- Provide guidance to users on cybersecurity policies and procedures.
- Support the onboarding of new systems and technologies into compliant environments.
- Maintain accurate system security documentation and track compliance metrics.
- Contribute to the continuous improvement of cybersecurity processes.
Job Requirements and Minimum Qualifications
- Bachelor’s degree in Information Security, Computer Science, Engineering, or a related field, or equivalent practical experience.
- Minimum of 2 years of experience in information system security, cybersecurity compliance, or ISSO-related roles, preferably within aerospace, defense, or government environments.
- Experience supporting CMMC Level 2 compliance.
- Experience supporting classified and unclassified information systems in a DoD or aerospace and defense environment.
- Understanding of system authorization, continuous monitoring, and risk management processes.
- Understanding of cybersecurity compliance and risk management principles.
- Familiarity with SCIF operations and classified system security requirements.
- Exposure to vulnerability scanning tools, security monitoring tools, and GRC/compliance tools (e.g., eMASS).
- Working knowledge of NIST SP 800-171, NIST SP 800-53, and RMF concepts.
- Experience with Microsoft Office Suite (Word, Excel, PowerPoint, Outlook).
- Strong analytical, documentation, and communication skills.
- Ability to operate independently while collaborating effectively with cross-functional teams.
- Must be eligible to obtain and maintain a security clearance.
- Must be a U.S. citizen or have specific legal status allowing work with U.S. government export regulations.
Preferred Experience
- Experience supporting NIST SP 800-171 or CMMC Level 2 compliance is preferred.
- Active U.S. DoD Secret clearance and DoD 8140 certification are considered a plus.
What We Offer
Full-time employment offers include company stock options and a generous benefits package, including health, dental, vision, HSA, FSA, life, disability, and retirement plans.
Key Skills/Competency
- Information Security
- Cybersecurity Compliance
- NIST SP 800-53
- NIST SP 800-171
- Risk Management Framework (RMF)
- CMMC Level 2
- System Authorization
- Vulnerability Management
- SCIF Operations
- DoD Environment
Skills & topics
- Information Systems Security Officer
- ISSO
- Cybersecurity
- Information Security
- NIST SP 800-53
- NIST SP 800-171
- RMF
- CMMC Level 2
- Aerospace
- Defense
- DoD
- SCIF
- Vulnerability Management
- Security Controls
How to get hired
- Tailor your resume: Highlight experience with NIST SP 800-171, RMF, and CMMC Level 2 compliance.
- Emphasize relevant experience: Showcase work in aerospace, defense, or government environments with classified systems.
- Prepare for technical questions: Be ready to discuss cybersecurity principles and tools.
- Understand compliance frameworks: Demonstrate knowledge of DoD cybersecurity regulations.
- Highlight soft skills: Stress your analytical, communication, and collaboration abilities.
Technical preparation
Behavioral questions
Frequently asked questions
- What specific cybersecurity frameworks does the Information Systems Security Officer role at CesiumAstro focus on?
- The Information Systems Security Officer role at CesiumAstro primarily focuses on supporting compliance with DoD cybersecurity requirements, specifically NIST SP 800-53, NIST SP 800-171, the Risk Management Framework (RMF), and CMMC Level 2. Experience with these frameworks is crucial for this position.
- What is the minimum experience required for the ISSO position at CesiumAstro?
- CesiumAstro requires a minimum of 2 years of experience in information system security, cybersecurity compliance, or ISSO-related roles. Experience within aerospace, defense, or government environments is also preferred.
- Is a security clearance required to be considered for the Information Systems Security Officer role?
- While an active U.S. DoD Secret clearance is not strictly required, candidates must be eligible to obtain and maintain a security clearance. Experience supporting classified systems and SCIF environments is necessary for the role.
- What are the citizenship or work authorization requirements for this ISSO position?
- To comply with U.S. Government Space Technology Export Regulations, applicants must be a U.S. citizen, lawful permanent resident, conditional resident, asylee, or refugee, or eligible for the necessary U.S. Department of State authorizations.
- What kind of systems and environments will the ISSO at CesiumAstro work with?
- The ISSO will support both classified and unclassified information systems. This includes working with SCIF environments and ensuring compliance with all associated security requirements within an aerospace and defense context.
- Does CesiumAstro consider equivalent practical experience for the Bachelor's degree requirement for the ISSO role?
- Yes, CesiumAstro will consider equivalent practical experience in lieu of a Bachelor's degree in Information Security, Computer Science, Engineering, or a related field for the Information Systems Security Officer position.
- What are the preferred certifications for an Information Systems Security Officer at CesiumAstro?
- While not mandatory, a DoD 8140 certification is considered a plus for the ISSO role. Experience supporting NIST SP 800-171 or CMMC Level 2 compliance is also preferred.
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