Altamira Technologies Corporation · 20 hours ago
Information Systems Security Officer (ISSO)
Centennial, CO
Full-time
Onsite
Senior Level
5+ years expAltamira Technologies Corporation is seeking an experienced Information Systems Security Officer (ISSO) to join their team in Aurora, CO. The ISSO will play a key role in protecting mission-critical systems and will work alongside various experts to secure advanced software and network systems across a large enterprise environment.
AnalyticsSoftwareSoftware Engineering
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
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
Qualification
Required
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
Company
Altamira Technologies Corporation
Altamira Technologies Corporation is a top open source technology company in the national security space.
201-500 employees
Funding
Current Stage
Growth StageTotal Funding
unknown2026-01-15Acquired
Leadership Team
Jane Chappell
Chief Executive Officer
Cassie Kurtz
Vice President Operations
Recent News
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2025-08-23
2025-08-21
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