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Information Systems Security Officer (ISSO)

Altamira Technologies Corporation
United States, Colorado, Centennial
Jan 22, 2026
Description
Overview
Altamira Technologies is seeking an experienced Information Systems Security Officer (ISSO) to join our growing team in Aurora, CO.
As an ISSO, you'll play a key role in protecting mission-critical systems that support some of the nation's most important programs. You'll work alongside engineers, developers, and cybersecurity experts to secure advanced software and network systems across a large, multi-domain enterprise environment.
Qualifications
  • This position requires a current and active TS/SCI with CI Poly at the time of application
  • Five (5) years of combined work-related experience in the fields of IT, cybersecurity or security authorization is required
  • A Bachelor's degree in Computer Science, Cyber Security or IT Engineering is required
  • In lieu of a Bachelor's degree, four (4) additional years of work-related experience may be substituted
  • Current IAM Level I certification DoD 8140.03 Compliant Professional Certification (e.g Security+, SSCP, CISSP, CISM, GSLC, etc.)
  • Experience preparing and maintaining A&A documentation for SCI or classified systems.
  • Familiarity with operating system security features and secure configuration management.
  • Strong technical writing, communication, and analytical skills.
  • Ability to multi-task, prioritize, and thrive in a fast-paced, mission-oriented environment.
What You'll Do
  • Serve as the Information Systems Security Officer (ISSO) for assigned systems and networks.
  • Support the Information Systems Security Manager (ISSM) in maintaining a compliant and secure operational posture across multiple programs and enclaves.
  • Develop, maintain, and update system security documentation, including System Security Plans (SSPs), Security Controls Traceability Matrices (SCTMs), POA&Ms, and Risk Assessment Reports.
  • Support Assessment and Authorization (A&A) efforts in alignment with NIST RMF, ICD 503, and IC requirements.
  • Oversee day-to-day information system security operations including hardware and software implementations
  • Enforce and monitor compliance with cybersecurity policies, standards, and methodologies.
  • Perform risk and vulnerability assessments, system self-inspections, and continuous monitoring.
  • Manage Configuration Management (CM) for security-relevant hardware, software, and firmware, ensuring proper review and impact analysis for all system changes.
  • Evaluate, recommend, and implement security solutions that meet mission and compliance requirements.
  • Support Information Assurance Vulnerability Alert (IAVA) processes: initiate responses, perform scans, apply patches, and track remediation.
  • Participate in incident response activities and security investigations as needed.
  • Collaborate with cross-functional teams including IT, program management, and customer stakeholders to ensure cybersecurity goals are achieved.
  • Provide cybersecurity awareness and training support for program personnel.
  • You will have the opportunity to engage in all aspects of the cyber discipline

Altamira is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status. We focus on recruiting talented, self-motivated employees that find a way to get things done. Join our team of experts as we engineer national security!

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