×
Register Here to Apply for Jobs or Post Jobs. X

Senior Information System Security Officer Security Clearance

Job in Reston, Fairfax County, Virginia, 20190, USA
Listing for: Base-2 Solutions, LLC
Full Time position
Listed on 2026-07-20
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security
Job Description & How to Apply Below
Position: Senior Information System Security Officer with Security Clearance
Job Description 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 Pay & Benefit Highlights Compensation
* Competitive fixed salary or hourly pay (based on experience, skills, location, and internal equity).
* Employee referral bonuses up to $10,000 per hired referral.
* Additional bonus opportunities for exceptional performance and contributions to business development and company growth (role-dependent). Health
* 100% company-paid medical premiums for employees and eligible dependents.
* Choose from multiple plan options with Care First, Kaiser, and United Healthcare, including PPO, POS, HMO, and HSA-compatible plans.
* 100% company-paid dental premiums for employees and eligible dependents.
* 100% company-paid vision premiums for employees and eligible dependents. Income Protection
* 100% company-paid premiums for short-term disability.
* 100% company-paid premiums for long-term disability.
* 100% company-paid premiums for accidental death & dismemberment (AD&D).
* 100% company-paid premiums for life insurance up to $200,000. Retirement
* 401(k) with immediate vesting: 4% company match plus a 4% non-elective company contribution (8% total).
* 401(k) pre-tax and Roth options. Leave
* Up to 20 days of flexible paid time off (PTO).
* 11 paid floating holidays. Work-Life Balance
* Flexible work schedules, including flex time and compressed work periods (contract and project-dependent).
Position Requirements
10+ Years work experience
To View & Apply for jobs on this site that accept applications from your location or country, tap the button below to make a Search.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)
0
200
Filters
Education Level
Experience Level (years)
Posted in last:
Salary