Senior Information Systems Security Officer (ISSO)

Senior Information Systems Security Officer (ISSO)


Location: Anne Arundel County, Maryland


Clearance: TS/SCI with Full Scope Polygraph

We are seeking a highly experienced Senior Information Systems Security Officer (ISSO) to support our customer's needs. This role requires an accomplished security professional with deep knowledge of IC/DoD cybersecurity requirements, hands-on experience with mission systems, and proven expertise in compliance and authorization activities.

What We Are Looking For:


Education & Certifications

• A Bachelor of Science degree in Computer Science, Information Assurance, Information Security, or a closely related discipline.


• DoD 8570 compliance at IAM Level II or IAT Level III, such as CASP+, CISSP, or CISSP Associate.


• Candidates must be able to provide certification details including membership or registration numbers.


• Experience Requirements


• 7+ years of ISSO experience supporting Intelligence Community or Department of Defense programs of comparable scope and complexity.


• A strong track record of leading security compliance, accreditation, and continuous monitoring activities.

Technical Expertise We are seeking individuals with direct, hands-on experience working with the following customer tools:

• LatteArt


• Biscotti


• Xacata

Candidates should be prepared to discuss the number of years of experience they have with each tool.

Security Documentation Experience

• Strong proficiency in developing and managing System Security Plans (SSPs).


• Experience overseeing multiple SSPs simultaneously is highly desirable; candidates should be prepared to share the number of SSPs currently under their management.

What We Offer:

• Comprehensive benefits including health, dental and vision for the employee and family


• 401k Plan with a company contribution; fully vested immediately


• Company paid Life and AD&D insurance


• Company paid Short-Term and Long-Term Disability insurance


• Flexible Spending Accounts


• Paid Time Off (PTO)


• 10 paid holidays


• Employee Assistance Program


• Tuition Reimbursement

Who We Are:


Calvert Systems is a Service-Disabled Veteran-Owned Small Business headquartered in Bellevue, Nebraska, with operations in eleven states including the District of Columbia. With over 20 years of trusted support to the Department of Defense, Calvert combines the strength of deep mission expertise, a workforce composed largely of veterans with the values of a family business culture. Our team is committed to exceeding customer expectations by leveraging a rich blend of operational experience, technical excellence, and a strong commitment to service.

Calvert Systems Engineering provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.