Job Specifications
Information Systems Security Officer (ISSO)
A fast-growing space technology company is building modern, cloud-native mission operations software with the goal of transforming how satellites are operated. Their platform replaces fragmented legacy ground systems with an integrated, automation-driven approach, bringing modern software practices into space operations.
They are a small, high-performing team with strong aerospace and software backgrounds, working on real missions in a highly regulated environment. This is an opportunity to have a direct impact while working alongside ambitious, technically strong peers.
The role
The Information Systems Security Officer (ISSO) will be responsible for establishing, implementing, and maintaining information security policies, standards, and procedures to ensure the confidentiality, integrity, and availability of classified and unclassified information systems.
You will lead the Risk Management Framework (RMF) process from end to end, working through Steps 1–6 to obtain and maintain Interim Authority to Test (IATT) and Authority to Operate (ATO) approvals for cloud-based classified systems. This includes engagement with Cognizant Authorization Officials, including government space and defense security bodies.
You will work closely with the Information Systems Security Manager (ISSM), Facility Security Officer (FSO), IT administrators, and government stakeholders to build and maintain a compliant, scalable security program.
Key responsibilities
Security policy and governance
Develop and enforce information security policies, standards, and procedures aligned with CNSSI 1253, NIST SP 800-53, NIST SP 800-60, and applicable federal regulations
Ensure policies remain current and responsive to evolving threats and vulnerabilities
Risk management and compliance
Conduct regular risk and vulnerability assessments
Implement mitigation strategies and manage RMF activities
Maintain IATT and ATO status through formal assessments and continuous monitoring
Support government-led security control assessments
Incident response
Develop and maintain an Incident Response Plan
Lead investigations, containment, and remediation of security incidents
Review and adjudicate SIEM alerts and events
System Security Plans
Create and maintain System Security Plans (SSPs) within eMASS for SECRET and/or UNCLASS systems
Collect and manage required artifacts, including policies, procedures, compliance evidence, and vulnerability reports
Training and collaboration
Deliver security awareness and training for users of classified systems
Act as a trusted security point of contact across technical and non-technical teams
Continuously improve security processes and controls
Required qualifications
US Citizenship
Active SECRET clearance, TS/SCI strongly preferred
Bachelor’s degree in Information Security, Computer Science, or a related field
Experience and technical background
5+ years of experience in information security supporting government-authorized systems
Strong knowledge of RMF, CNSSI, and NIST frameworks
Hands-on experience with SIEM, IDS/IPS, STIG hardening, and vulnerability management tools
Exposure to Kubernetes, cloud-based classified environments, CI/CD pipelines, and secure network architecture
Certifications
IAT Level II certification required (e.g., CompTIA Security+ or equivalent)
IAT Level III preferred (e.g., CISSP, CISM, or equivalent)
Soft skills
Strong communication and stakeholder management skills
Analytical mindset with the ability to manage multiple priorities in a fast-paced environment
Export control requirements
Applicants must meet US export control requirements and be eligible to work on ITAR-regulated programs.
Benefits and culture
Opportunity to work in a cutting-edge space technology environment
High-impact role within a small, collaborative team
Strong focus on work-life balance with generous time off
Comprehensive health coverage and retirement contribution
Regular company offsites and a culture where individual contributions genuinely shape the company’s direction
About the Company
EVONA attracts and guides elite talent into the global space economy, evolving individuals and companies whose aspirations transform futures on and off Earth.
As pioneers, we staff the space economy, propelling it to new heights.
For employers, we headhunt transferable in-demand skills from outside the industry; demystifying the space sector to attract new talent, while helping nurture the skills within to provide you with the time to innovate, adapt, and shape the future of humanity. We specialize in geospatial, satellit...
Know more