Base-2 Solutions · Reston, Virginia, US

Senior Information System Security Officer

OpenPay not stated

Open — Base-2 Solutions has a posting for this job. Posted 28 Sep 2026.

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Posted 28 Sep 2026 · Pay not stated

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About this job

Position Summary

Base-2 Solutions is seeking a Senior Information Systems Security Officer responsible for safeguarding computer networks and systems to ensure data security, integrity, and confidentiality at the highest standards.

Essential Duties and Responsibilities

  • Designs, develops, implements and/or integrates IA and security systems and system components including those for networking, computing, and enclave environments with multiple enclaves and differing data protection/classification requirements.
  • Analyzes architecture and system functionality for multiple technologies.
  • Contributes to the development and evaluation of attack scenarios.
  • Prepares and delivers technical reports and briefings.
  • Has a complete understanding of Risk Management Framework and implements the process on program systems/networks.
  • Performs or reviews technical security assessments of computing environments to identify vulnerabilities, non-compliance with IA standards and regulations, and recommends mitigation strategies.
  • Validates and verifies system security requirements definitions and analysis and establishes system security designs.
  • Assists architects and systems developers in identifying and implementing appropriate information security functionality to ensure uniform application security policy and enterprise solutions.
  • Supports building security architectures and enforces trusted relations among external systems and architectures.
  • Assesses and mitigates system security threats/risks throughout the program life cycle.
  • Contributes to security planning, assessment, risk analysis, risk management, certification, and awareness activities for system and networking operations.
  • Reviews certification and accreditation (C&A) documentation, providing feedback on completeness and compliance.
  • Performs system installation, configuration, maintenance, account maintenance, signature maintenance, patch management, and troubleshooting of operational IA and CND systems.
  • Performs limited penetration testing and routine exploit analysis.
  • Performs system or network designs encompassing multiple enclaves with differing data protection/classification requirements.
  • Recommends system-level solutions to resolve security requirements.
  • Supports enforcement of design and implementation of trusted relationships among external systems and architectures.
  • Works with application leads, sysadmins, DBAs, developers, and testers to ensure assigned systems are security compliant and achieve/maintain ATO.
  • Loads artifacts such as STIG checklists and ACAS scans.
  • Helps implement STIG checklists and mitigate scan findings.
  • Supports security assessment events and responds to questions from PAT team, ISSMs, and SCA.

Required Qualifications

  • Experience loading artifacts such as STIG checklists and ACAS scans.
  • Experience helping to implement STIG checklists and mitigate scan findings.
  • Experience supporting security assessment events and responding to questions from PAT team, ISSMs, and SCA.
  • Experience working with application leads, sysadmins, DBAs, developers, and testers to ensure systems are security compliant and achieve/maintain ATO.

Preferred Qualifications

  • Experience working with Xacta.

Required Education and Experience Equivalency

  • Bachelor's degree with 14+ years of experience.
  • Master's degree with 12+ years of experience.
  • PhD with 10+ years of experience.

Required Certifications

  • None specified.

Required Security Clearance

  • Active Top Secret/SCI with CI Polygraph

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