Information Systems Security Officer (ISSO)- Fully Cleared

The Solutions Group Llc; Whitehurst (MD); On-site; USD 99,000 - 194,000; Full time

Job summary

An innovative firm is seeking a driven Information Systems Security Officer (ISSO) to support critical projects within the Intelligence Community. This role is perfect for a security professional eager to shape secure system architectures and ensure the integrity of mission-critical systems. You will lead efforts to obtain system accreditations, collaborate with diverse teams, and apply continuous monitoring techniques. Join a culture that values your growth and well-being, offering ample PTO, multiple medical plan options, and generous 401(k) benefits. Make a meaningful impact while thriving in a supportive environment.

Benefits

Ample PTO

Multiple medical plan options

Generous 401(k)

Exciting bonus opportunities

Collaborative culture with team activities

Qualifications

• Active TS/SCI clearance with Full Scope Polygraph required.
• IAM Level I certification required per DoD 8570.01-M.

Responsibilities

• Lead security architecture efforts for system accreditation.
• Prepare and maintain System Security Plans for ATO submissions.
• Perform regular vulnerability scans and manage security posture.

Skills

Information Systems Security

Risk Management Framework (RMF)

Cybersecurity Best Practices

Vulnerability Scanning

Continuous Monitoring

Communication Skills

Education

Bachelor's degree in Computer Science or related field

7 years of relevant experience

Tools

ACAS

Nessus

JIRA

ServiceNow

Job description

Make an Impact Where It Matters Most:

Intelliforce is seeking a mission-driven Information Systems Security Officer (ISSO) to join our team supporting complex and high-impact projects in the Intelligence Community. This role is ideal for a security professional who thrives in dynamic environments and is passionate about shaping secure system architectures from the ground up.
You will lead and support efforts to obtain and maintain system accreditations (IATT and ATO), ensure the integrity and security of mission-critical systems, and work alongside engineers, developers, and ISSMs to deliver reliable, accredited solutions. If you have a deep understanding of RMF processes, cybersecurity best practices, and can effectively communicate with both technical and non-technical stakeholders, we’d love to hear from you.

Here’s what your day-to-day might include:

• Leading security architecture and systems engineering efforts to support system accreditation
• Preparing and maintaining System Security Plans (SSPs) and supporting documentation for ATO submissions
• Collaborating with ISSMs, DAOs, and development teams to ensure compliance and continuous authorization
• Creating and managing artifacts such as data flows, risk assessments, hardware/software inventories, POA&Ms, and audit reports
• Applying continuous monitoring techniques to evaluate systems’ security posture and recommending mitigations
• Performing regular vulnerability scans using tools like ACAS/Nessus, and reviewing audit logs weekly
• Driving data transfers from CACI Hanover to Ft. Meade weekly as part of the security workflow
• Supporting PRIVAC requests and extensions
• Overseeing the implementation of software patches and configuration changes in response to identified risks
• Driving tasking for developers and system administrators based on scan results, patching requirements, and RMF feedback

Qualifications:
Minimum Requirements:

• Clearance: Active TS/SCI clearance with Full Scope Polygraph
• Citizenship:Must be a U.S. Citizen

• Must meet IAM Level I certification requirements per DoD 8570.01-M with at least one of the following:
  • CAP, CND, Cloud+, GSLC, Security+CE, HCISPP, CASP+CE, CISM, CISSP (or Associate), CCISO

For System Administrator Level 1 LCAT:

• Bachelor’s degree in a technical discipline, or 7 years of relevant experience (4 years may be substituted for degree)
• Minimum of 4 years as an ISSO on programs of similar scope and complexity

For ISSO Level 2 LCAT:

• Bachelor’s degree in Computer Science or related field, or 10 years of ISSO experience (4 years may be substituted for degree)
• Experience in at least two of the following areas:
  • Security tools, hardware/software security, communication protocols, or encryption techniques

Preferred Experience:

• Strong understanding of ICD 503, NIST 800-53, and Risk Management Framework (RMF)
• Experience developing and maintaining SSPs, reviewing IAVA alerts, and handling scan results
• Familiarity with task tracking systems (e.g., JIRA, Redmine, ServiceNow)
• Working knowledge of PKI authentication, security policies within the IC, and risk assessment methodologies
• Excellent verbal and written communication skills for briefing technical concepts to stakeholders and leadership

Compensation Range: $99,000.00 - $194,000.00
*The salary range provided reflects an estimate based on current market trends and may be adjusted based on factors such as the candidate's experience, skills, and qualifications. The final offer will be tailored after a thorough evaluation of the candidate’s background and suitability for the role. Please note that this range is intended as a guideline and is subject to flexibility.
Why Intelliforce? Because you matter—your work, your growth, and your well-being.
At Intelliforce, we don’t just push the boundaries of technology—we partner with some of the most mission-driven teams in defense and beyond to solve challenges that truly matter. As a Systems Engineer here, you won’t just contribute to projects—you’ll help shape outcomes that make a real-world impact.
We also know that great work starts with a great environment. That’s why we invest in you:

• Ample PTO to rest and recharge—plus all federal holidays and your birthday off, just because.
• Multiple medical plan options, including ones with zero deductible or premium for employees.
• Generous 401(k) with immediate vesting—because your future matters now.
• Exciting bonus opportunities, from profit sharing to quarterly awards and President’s Club recognition.
• A culture of collaboration, connection, and fun, with regular team activities that go beyond the work.

Ready to grow with purpose?
At Intelliforce, your career will flourish in a place where innovation thrives and people come first. Join us—and let’s build something meaningful together.

Equal Opportunity Matters
Intelliforce-IT Solutions Group, LLC is proud to be an Equal Opportunity/Affirmative Action Employer. U.S. Citizenship is required for most positions.
Need accommodations during the application process? We’re happy to help. Reach out to us at [e-mail] with your specific request.