Information System Security Officer - ISSO - Contingent

Aretum; England; Remote; GBP 50,000 - 70,000; Full time

Job summary

A leading technology and service company is seeking a qualified Information System Security Officer (ISSO). In this remote position, you will oversee the security of information systems, conduct risk assessments, and ensure compliance with established policies. Ideal candidates will have at least 3 years of experience in cybersecurity and possess an active DOD Secret Clearance. The role includes occasional travel of up to 10%.

Benefits

Health Care Plan (Medical, Dental & Vision)

Retirement Plan (401k, IRA)

Paid Time Off (Vacation, Sick & Public Holidays)

Qualifications

• Minimum of 3 years in cybersecurity roles, preferably federal.
• Active DOD Secret Clearance or higher required.
• Strong understanding of RMF and security compliance standards.

Responsibilities

• Ensure compliance with security policies and procedures.
• Conduct risk assessments and audits on information systems.
• Prepare and conduct regular security meetings and briefings.

Skills

Cybersecurity expertise

Risk management

Analytical skills

Problem-solving

Communication skills

Education

Relevant certifications (e.g., CISSP, Security+)

Job description

ARETUM, a leader in providing high-quality professional services and technology solutions, is seeking a qualified and motivated Information System Security Officer (ISSO) - Contingent. In this position, you will oversee the security of information systems, ensuring they are protected against unauthorized access, breaches, and vulnerabilities, while adhering to relevant security standards and best practices.

ARETUM is committed to delivering innovative solutions across various sectors including Next Generation Analytics, Cyber Security, and Engineering Services. We pride ourselves on providing exceptional service to federal clients, enabling mission success through comprehensive security solutions.

This is a contingent position, meaning employment is dependent upon the successful award of the associated contract to Aretum and completion of any required background investigation or security clearance verification.

Responsibilities

• Serve as the primary security point of contact for information systems and ensure compliance with security policies and procedures.
• Develop, implement, and enforce security policies to manage risks associated with information systems.
• Conduct risk assessments and security audits on information systems to identify vulnerabilities and recommend mitigations.
• Support the Risk Management Framework (RMF) processes, including documentation preparation, assessments, and continuous monitoring.
• Coordinate with other IT teams to integrate security throughout the lifecycle of information systems.
• Develop and provide security training and awareness programs for all personnel working on or supporting the information systems.
• Identify and report on existing security vulnerabilities, incidents, and mitigation efforts.
• Maintain and review security documentation, including System Security Plans (SSPs), and ensure they are updated as needed.
• Prepare and conduct regular security meetings, briefings, and reports to senior management regarding security statuses and compliance.

• A minimum of 3 years of experience in cybersecurity or information assurance roles supporting federal enterprises.
• Active DOD Secret Clearance or higher
• Proficiency in the Risk Management Framework (RMF), FISMA, and knowledge of security compliance standards (e.g., NIST, DoD policies).
• Strong understanding of security controls, assessment methodologies, and tools used for information system security.
• Experience with security documentation processes including System Security Plans (SSPs) and incident reporting.
• Strong analytical, problem-solving, and decision-making skills.
• Excellent verbal and written communication abilities.
• Industry-recognized certification in Information Assurance (e.g., CISSP, Security+, CAP) is preferred but not required.

Work Environment & Physical Requirements

This is a remote/work-from-home position. The employee is expected to maintain a professional and distraction-free home office environment with reliable internet access and the ability to participate in video and audio calls during standard working hours. Standard office equipment such as a computer, phone, and webcam will be used regularly.

Travel Requirement

This is a remote position; however, occasional travel may be required based on project needs, client meetings, team collaboration events, or training sessions. Travel is expected to be less than 10% and will be communicated in advance whenever possible.

EEO & Pay Transparency Statement

Aretum is committed to fostering a workplace rooted in excellence, integrity, and equal opportunity for all. We adhere to merit-based hiring practices, ensuring that all employment decisions are made based on qualifications, skills, and ability to perform the job, without preference or consideration of factors unrelated to job performance.

As an Equal Opportunity Employer, Aretum complies with all applicable federal, state, and local employment laws.

We are proud to support our nation’s veterans and military families, providing career opportunities that honor their service and experience.

If you require a reasonable accommodation during the hiring process due to a disability, please contact our Talent Acquisition team for assistance.

In compliance with Executive Order 13665, Aretum will not discharge or otherwise discriminate against employees or applicants for inquiring about, discussing, or disclosing their own pay or that of another employee or applicant.

U.S. Work Authorization

Applicants must be U.S. citizens and currently authorized to work in the United States on a full-time basis. This position supports a federal government contract and requires active Secret Clearance or better.

• Health Care Plan (Medical, Dental & Vision)
• Retirement Plan (401k, IRA)
• Life Insurance (Basic, Voluntary & AD&D)
• Paid Time Off (Vacation, Sick & Public Holidays)
• Family Leave (Maternity, Paternity)
• Short Term & Long Term Disability
• Training & Development