Cleared Onsite Information Systems Security Officer (ISSO)

Description

At CDW, we make it happen, together. Trust, connection, and commitment are at the heart of how we work together to deliver for our customers. It's why we're coworkers, not just employees. Coworkers who genuinely believe in supporting our customers and one another. We collectively forge our path forward with a level of commitment that speaks to who we are and where we're headed. We're proud to share our story and Make Amazing Happen at CDW.

The Information System Security Officer (ISSO) will support the security posture of federal information systems by ensuring compliance with applicable cybersecurity policies, procedures, and regulations. This role requires a strong understanding of the Risk Management Framework (RMF), federal security standards, and continuous monitoring practices. The ISSO will work closely with system owners, administrators, and other stakeholders to maintain system authorization and mitigate risks.

• Implement and maintain security controls in accordance with NIST SP 800-53, FISMA, FedRAMP, and agency-specific guidelines.
• Develop and maintain System Security Plans (SSPs), Risk Assessments, POA&Ms, and other required documentation.
• Support the Assessment and Authorization (A&A) process, including coordination with the Authorizing Official (AO) and Security Control Assessor (SCA).
• Conduct continuous monitoring activities and ensure timely remediation of vulnerabilities.
• Perform security impact analyses for system changes and updates.
• Respond to security incidents and support investigations and reporting.
• Ensure compliance with agency cybersecurity policies, directives, and procedures.
• Participate in security audits, inspections, and reviews.
• Provide security awareness training and guidance to system users and stakeholders.

• Bachelor's degree in Cybersecurity, Information Technology, Computer Science, or related field.
• Minimum of 5 years of experience in information security, with at least 2 years in a federal ISSO role.
• Strong working knowledge of NIST RMF, FISMA, FedRAMP, and OMB guidance.
• Experience with eMASS, Xacta, or similar compliance tools.
• Familiarity with STIGs, SCAP, and vulnerability management tools (e.g., Nessus, ACAS).
• Excellent written and verbal communication skills.
• Ability to work independently and manage multiple priorities.

• Security+, CISSP, CAP, or CISM
• Certified Ethical Hacker (CEH) or equivalent (optional)
• ITIL Foundation (optional)

• This role will sit onsite in San Diego, CA
• Must have an Active Secret clearance.
• Experience supporting DoD, DHS, or other federal agencies is highly desirable.

We make technology work so people can do great things.

CDW is a leading multi-brand provider of information technology solutions to business, government, education and healthcare customers in the United States, the United Kingdom and Canada. A Fortune 500 company and member of the S&P 500 Index, CDW helps its customers to navigate an increasingly complex IT market and maximize return on their technology investments. Together, we unite. Together, we win. Together, we thrive.

CDW is an equal opportunity employer. All qualified applicants will receive consideration for employment without regards to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status or any other basis prohibited by state and local law.