Information System Security Officer (ISSO)

Start Date: Immediate

JHNA, CTSi, and EXPANSIA have come together to form a Defense Technology platform named Aether Aerospace focused on delivering high-impact technologies, technology-enabled services and advanced manufacturing solutions to the U.S. Department of Defense and related national security customers. Backed by Falfurrias Management Partners, the platform brings together deep domain expertise across Army, Navy, and Air Force and Space Force programs, digital engineering, systems integration, and specialized manufacturing capabilities.

The combined organization operates as a multi-entity aerospace and defense technology and tech-enabled services and manufacturing enterprise positioned for scalable growth, operational excellence, and long-term value creation

OVERVIEW

Full-time/Permanent Employee

Location: Remote, preferred Boston, MA or Dayton, OH

As an Information System Security Officer III, you will play a critical role in the certification and accreditation of computer networks and standalone information systems in accordance with government security standards. You will be responsible for developing, maintaining, and implementing System Security Plans while ensuring compliance with contractual and regulatory security requirements. Your role includes overseeing daily security operations for both classified and unclassified information systems, conducting vulnerability assessments, and implementing necessary security controls. You will collaborate closely with program managers and system security engineers to support all phases of the system development lifecycle. Additionally, you will be responsible for security compliance, risk assessments, and mitigation strategies to protect sensitive information. Your expertise in security measures and policies will help safeguard systems and ensure business continuity while maintaining compliance with government regulations. RESPONSIBILTIES

• Perform certification and accreditation of computer networks and standalone systems following government security standards

• Develop, maintain, and implement System Security Plans that align with customer contractual and regulatory requirements

• Oversee and manage daily security operations for classified and unclassified information systems

• Conduct vulnerability testing and security assessments to verify compliance with security controls and government standards

• Work closely with program managers and system security engineers throughout the system lifecycle to support security objectives

• Implement security measures in accordance with ICDs, NISPOM, and other government security regulations

• Provide security briefings and training to employees, stakeholders, and government officials regarding system security access

• Manage security compliance processes, ensuring all classified system components, environments, and locations adhere to government standards

• Assist the Information System Security Manager in reporting and mitigating security incidents and implementing corrective measures

• Implement procedures for marking, handling, controlling, transporting, sanitizing, reusing, and destroying classified media and equipment

• Maintain proficiency with security assessment tools such as WASSP, MBSA, and Nessus to strengthen security posture

• Develop and implement facility procedures that govern system security and ensure compliance with policies and best practices

• Provide technical support to operational strategies aligned within your program and initiatives that optimize processes, enhance productivity, and ensure quality across all program functions

• Ensure 100% of planned hours are worked and recorded

• Identify and forward to your leadership any opportunities that could lead to growth within your work area

• Participate in growth efforts as requested

• Ensure all contractual deliverables are met/exceeded to the customer's satisfaction

• Complete personal PDP and attend Company Meetings (with camera on)

• Within your program, build productive and positive professional relationships with clients

• Execute all contract requirements as assigned in accordance with the contract-specific LCAT and requirements

• Perform other related duties as assigned

KEY QUALIFICATIONS

Clearance: Active TS/SCI clearance Education and Years of Experience: Bachelor's (or equivalent) with 5 - 7 years of experience, or a Master's and 3 to 5 years of experience

• Strong knowledge of government security policies and standards, including NISPOM and ICDs

• Experience conducting security vulnerability assessments and implementing security controls

• Proficiency with security assessment tools such as Nessus, MBSA, and WASSP

• Ability to develop, implement, and manage System Security Plans and compliance documentation

• Strong background in the certification and accreditation process for classified and unclassified information systems

PREFERRED ADDITIONAL QUALIFICATIONS

• CISSP or DoD 8570-1 certification (or actively working towards certification)

• Experience supporting classified information systems security programs

• Strong understanding of security risk management and mitigation techniques

• Knowledge of cybersecurity frameworks and incident response best practices

• Proficiency in security compliance reporting and documentation best practices

Aether Aerospace is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.