Senior Information Systems Engineer – ISSO

FTI - Frontier Technology Inc.

. Support the security of information systems used in defense missions .

Posted 10/6/2026full-timeColorado Springs • Colorado • United StatesSenior💰 $100,000 - $163,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Defensive Cyber Operations for Space (DCO-S) and maintains the operational security posture of IT systems while ensuring compliance with AF cybersecurity policies and procedures. Proficient in risk management and security architecture, with a strong focus on incident response and vulnerability management.

Highest-signal resume keywords

Active DoD Top Secret ClearanceSecurity+ (Sec+) CertificationDefensive Cyber Operations for Space (DCO-S)Risk Management Framework (RMF)DoD / IC Cybersecurity Requirements

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Network Security EngineeringCybersecurity Policy ImplementationConfiguration Management ProceduresSecurity Configuration Guidelines ComplianceIncident ResponseVulnerability ManagementIT Security ArchitectureAccess Control DocumentationCybersecurity TrainingSecurity Product Integration

Certifications & Qualifications

Security+ (Sec+) Certification

Industry Keywords

DoDIntelligence Community (IC)CybersecurityAFMAN 17-1303AFI 17-203STIGsSRGsOperational Security PostureSpace System Acquisition ProgramsU.S. Citizenship

Tech Stack

Tools & technologies

Cyber Security

About the role

Key responsibilities & impact

Support the security of information systems used in defense missions
Perform Defensive Cyber Operations for Space (DCO-S)
Provide expertise and support in network security engineering and/or integration of security products
Maintain the operational security posture for assigned IT systems
Implement and enforce AF cybersecurity policies, procedures, and countermeasures
Complete and maintain required cybersecurity certification in accordance with AFMAN 17-1303
Ensure users have requisite security clearances and need-to-know, complete annual cybersecurity training, and understand access responsibilities
Maintain authorized user access control documentation
Ensure software, hardware, and firmware comply with security configuration guidelines, including STIGs/SRGs
Ensure configuration management procedures are followed before implementation and required approvals are obtained
Coordinate changes with the system-level ISSM, SCA, and/or Wing Cybersecurity office
Initiate protective or corrective measures when security incidents or vulnerabilities are discovered
Report security incidents and vulnerabilities according to AFI 17-203
Initiate exceptions, deviations, or waivers to cybersecurity requirements
Travel up to 10%

Requirements

What you’ll need

Active DoD Top Secret clearance with SCI access required
U.S. citizenship required
Security+ (Sec+) certification required
6+ years of relevant experience
Experience working with DoD and/or Intelligence Community (IC) space system acquisition programs
Understanding of Risk Management Framework (RMF) and DoD / IC cybersecurity requirements, policies and best practices
Experience with IT security requirements, architecture and design
Bachelor’s degree in computer science, Information Security, Engineering, Mathematics or a related technical field is desired