Senior Information Systems Security Officer (ISSO)

Job Title: Senior Information Systems Security Officer (ISSO)

Location: McLean, VA

At REDLattice, we are a global leader in delivering cutting-edge technical cybersecurity products and services. As we grow and adapt in an increasingly complex digital environment.

We are driven by mission-critical and innovative work that directly contributes to protecting our nation's and strategic partners' most vital infrastructure. Our teams lead advanced vulnerability analysis and develop tailored cyber solutions to meet the demands of rapidly evolving mission space. With offices in Northern Virginia, Melbourne, Florida, Tel Aviv, Israel, and other strategic locations, REDLattice is growing rapidly to meet the evolving needs of our customers.

Position Summary:

RedLattice is seeking a skilled Senior Information Systems Security Officer (ISSO). The ISSOprovides system security support for ongoing and future system development within the customer organization. This role supports full life-cycle system security activities, including accreditation and authorization (A&A), risk management, and continuous monitoring. The ISSO serves as a key liaison between project teams, system owners, and accreditation authorities, ensuring compliance with customer security policies and requirements across multiple mission systems. This is a fully on-site position supporting mission-critical operations.

Key Responsibilities:

• Support organization-wide activities to maintain A&A compliance for all systems across the full system life cycle
• Collaborate closely with Information Systems Security Manager (ISSM) staff to manage accreditations and resolve security issues
• Serve as the primary point of contact between project teams and the accreditation office
• Review and assess network diagrams, system schematics, and security architectures
• Analyze system vulnerability scans and work with project teams to remediate findings
• Resolve inconsistencies and irregularities in A&A documentation submissions
• Prepare assessment reports addressing organizational risk and ad-hoc customer requests involving policy interpretation and analysis
• Manage software compliance, laptop certification, patch management, and continuous monitoring/scanning
• Develop, maintain, and update System Security Plans (SSPs)
• Generate and review the Body of Evidence (BOE) and supporting accreditation artifacts
• Coordinate with SETA and development contractors throughout the A&A process
• Maintain system security posture while supporting multiple concurrent projects

Education & Experience

• Bachelor's degree in engineering, science, or a related technical discipline with 12+ years of relevant experience OR Master's degree with 10+ years of relevant experience OR PhD with 7+ years of relevant experience
  

Skills:

• Strong knowledge of Risk Management Framework (RMF) and Certification & Accreditation processes
• Experience with system vulnerability scanning, remediation, and continuous monitoring
• Proven background in patch management and security compliance across multiple domains
• Ability to develop and implement continuous monitoring plans
• Familiarity with cloud computing security concepts and cross-domain solutions
• Working knowledge of digital communications and IT infrastructure technologies
• Experience preparing and maintaining SSPs, BOE artifacts, and compliance documentation
• Strong time management and multitasking abilities
• Ability to support multiple projects simultaneously
• Excellent written and verbal communication skills
• Proactive, forward-leaning problem solver
• Strong interpersonal skills with the ability to work independently and collaboratively
• Demonstrated ability to quickly ramp up in customer environments

Desired Qualifications

• Prior experience as an ISSM, ISSO, or ISSE supporting the same customer
• Previous direct experience working within the customer organization

Security Clearance:

• Active TS/SCI with a current polygraph

Equal Employment Opportunity Statement:

REDLattice is an equal-opportunity employer. We value diversity and strive to create an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender, gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, or membership in any other group protected by federal, state, or local law. We are committed to creating a work environment that respects and celebrates differences.

Join us at REDLattice and be a part of a team that is at the forefront of cyber innovation and security. Apply today!