Information Systems Security Manager

JANUS Research Group; Lexington (MA); Hybrid; USD 150,000 - 170,000; Full time

Benefits offered by this job

Health and welfare plans

Referral bonus program

Great Place to Work

Job summary

JANUS Research Group seeks an Information Systems Security Manager (ISSM) to oversee the security posture of JANUS corporate and CUI systems. You will manage RMF, NIST SP 800-53/171, and CMMC Level 2, while hands-on with Microsoft 365, AWS, and Linux security.

The hybrid role combines compliance oversight with system security and end-user training coordination, coordinating with DCSA, FSO, MSPs, and leadership to ensure ongoing compliance and secure operations.

Qualifications

• U.S. Citizenship and ability to obtain or maintain a DoD Security Clearance
• 3+ years of experience in IT systems, cybersecurity, or compliance support
• Knowledge of NIST SP 800-171, CMMC Level 2, and RMF standards
• Prior interaction with DCSA and knowledge of FSO/ISSM support requirements
• Microsoft 365 administration experience (Entra ID, Teams, SharePoint, Exchange)
• Security+ or equivalent IAM Level I certification (per DoD 8570)
• Excellent communication, documentation, and organizational skills

Responsibilities

• Maintain and update cybersecurity documentation, including SSPs, POA&Ms, policies, procedures, and user access records.
• Implement and monitor security controls for NIST SP 800-171, NIST SP 800-53, and CMMC Level 2. Run continuous monitoring, collect evidence, and report risk to leadership.
• Monitor and analyze Microsoft 365, including GCC High: Exchange Online, Teams, SharePoint, and Entra ID. Review Conditional Access, MFA, privileged roles, and Defender, Purview, and Intune findings.
• Lead preparation for CMMC assessments, DCSA reviews, and audits. Work with DCSA, the FSO, service providers, and leadership.
• Contribute to security audits, assessments, and continuous monitoring processes.
• Coordinate and deliver end‑user cybersecurity and IT training (e.g., phishing awareness, acceptable use).
• Support onboarding/offboarding and system access management.
• Assist with patch management, system hardening, and endpoint configurations.
• Own the secure development program. Run SAST, DAST, and dependency scanning tools in CI/CD pipelines, and triage findings with developers.
• Assess AWS security (commercial and GovCloud): IAM, Security Hub, GuardDuty, CloudTrail, and AWS Config. Confirm FedRAMP Moderate readiness before they hold CUI.
• Assess Windows and Active Directory security: STIG/CIS baselines, GPOs, privileged groups, tiered admin, service accounts, LAPS, BitLocker, application control, identity attack monitoring.
• Assess Linux security (RHEL): STIG/CIS hardening, FIPS, LUKS, logging, SCAP scans and remediation.

Skills

Clear communication

Organizational skills

Attention to detail

Citizenship & clearance readiness

Education

Security+ certification

Tools

Microsoft 365 administration

SAST/DAST tools

OWASP ZAP/Burp Suite

CI/CD security scanning

AWS security services

Job description

Career Opportunities withJANUS Research Group

Candidates must have an active Secret clearance and verify, before applying, that you meet the minimum requirements of the position.

Target salary range: $150k - $170k. The estimate displayed represents the typical salary range for this position based on experience and other factors.

Information Systems Security Manager

Department: Information Management

Clearance Requirement: Secret

Reports To: Chief Information Officer

Position Summary

The ISSM owns the security posture of JANUS corporate and CUI systems. You keep us compliant with RMF, NIST SP 800-53, NIST SP 800-171, and CMMC Level 2. You also bring hands‑on technical depth across Microsoft 365, AWS, Windows, Linux, and Active Directory.

This is a hybrid role that combines cybersecurity compliance oversight with system security and user training coordination.
The Cybersecurity Compliance Administrator will work closely with DCSA, the Facility Security Officer (FSO), external MSP, MSSP, service providers, and organizational leadership to ensure corporate systems remain secure and compliant.

Key Responsibilities

• Maintain and update cybersecurity documentation, including SSPs, POA&Ms, policies, procedures, and user access records.
• Implement and monitor security controls for NIST SP 800-171, NIST SP 800-53, and CMMC Level 2. Run continuous monitoring, collect evidence, and report risk to leadership.
• Monitor and analyze Microsoft 365, including GCC High: Exchange Online, Teams, SharePoint, and Entra ID. Review Conditional Access, MFA, privileged roles, and Defender, Purview, and Intune findings.
• Lead preparation for CMMC assessments, DCSA reviews, and audits. Work with DCSA, the FSO, service providers, and leadership.
• Contribute to security audits, assessments, and continuous monitoring processes.
• Coordinate and deliver end‑user cybersecurity and IT training (e.g., phishing awareness, acceptable use).
• Support onboarding/offboarding and system access management.
• Assist with patch management, system hardening, and endpoint configurations.
• Own the secure development program. Run SAST, DAST, and dependency scanning tools (such as Snyk, SonarQube, OWASP ZAP, or Burp Suite) in CI/CD pipelines, and triage findings with developers.
• Assess AWS security (commercial and GovCloud): IAM, Security Hub, GuardDuty, CloudTrail, and AWS Config. Confirm that cloud services meet FedRAMP Moderate (or equivalent) before they hold CUI.
• Assess Windows and Active Directory security: STIG and CIS baselines, Group Policy, privileged groups, tiered administration, service accounts, LAPS, BitLocker, and application control. Monitor for identity attacks.
• Assess Linux security (RHEL and similar): STIG and CIS hardening, such as FIPS, LUKS, application and privilege access control, and logging (auditd). Run and review SCAP scans and remediating when necessary.

Required Qualifications

• U.S. Citizenship and ability to obtain or maintain a DoD Security Clearance
• 3+ years of experience in IT systems, cybersecurity, or compliance support
• Knowledge of NIST SP 800-171, CMMC Level 2, and RMF standards
• Prior interaction with DCSA and knowledge of FSO/ISSM support requirements
• Microsoft 365 administration experience (Entra ID, Teams, SharePoint, Exchange)
• Security+ or equivalent IAM Level I certification (per DoD 8570)
• Excellent communication, documentation, and organizational skills

Preferred Qualifications

• Experience supporting DoD contractors or working in a cleared facility environment
• Experience with virtualization technologies like VMWare vSphere, Hyper-V, and KVM/QEMU
• Experience with containerized compute solutions like Docker, Podman, and Kubernetes
• Familiarity with Microsoft Intune, Defender, and compliance features
• Experience developing or managing cybersecurity training programs
• Experience supporting developers using Python and C for development, and Terraform and Ansible for deployment

JANUS strives to provide opportunities for career growth through training and development. We also offer an attractive comprehensive benefit package to include health and welfare plans and financial products. As part of a total rewards program, employees can benefit from our referral bonus program, and other various employee awards. JANUS Research Group takes pride in our benefit package and rewards program which has earned us the certification of a Great Place to Work

JANUS Research Group provides reasonable accommodation so that qualified applicants with a disability may participate in the selection process. Please advise us of any accommodations you request to express interest in a position by emailing: Judy Pagac, Chief Human Resources Officer at [e-mail] or calling [phone]. Please state your request for assistance in your message. Only reasonable accommodation requests related to applying for a specific position within JANUS Research Group will be reviewed at the email address and phone number supplied. Thank you for considering a career with JANUS Research Group.

JANUS Research Group participates in the Electronic Employment Verification Program. Please click the E-Verify link below for more information.
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JANUS Research Group is an equal opportunity/ affirmative action employer. It is company policy to provide equal opportunity in all areas of employment practice without regard to race, color, religion, sex, sexual orientation, national origin, age, marital status, veteran status, citizenship, or disability.

This contractor and subcontractor shall abide by the requirements of 41 CFR 60-1.4(a), 60-300.5(a) and 60-741.5(a). These regulations prohibit discrimination against qualified individuals based on their status as protected veterans or individuals with disabilities and prohibit discrimination against all individuals based on their race, color, religion, sex, or national origin. Moreover, these regulations require that covered prime contractors and subcontractors take affirmative action to employ and advance in employment qualified individuals without regard to race, color, religion, sex, national origin, protected veteran status or disability.