Amentum, a global leader in advanced engineering, technical, and professional services serving the US government, allies and critical infrastructure sectors, is seeking an Information Systems Security Officer (ISSO) to support a government contract based on the island of Diego Garcia.
PURPOSE / SCOPE
The Information Security Systems Officer (ISSO) is designated as the local ISSO to ensure all IT support and management services are performed per specified IA instructions and policies.
Will also be responsible for information system security requirements and risk assessments, vulnerability scan, security test and evaluations, monitoring event logs, and maintaining network health and security.
Other Responsibilities:
- Conducts weekly audits of all systems.
- Assist in developing, implementing, explaining, briefing, and training the system custodians/users concerning their duties/responsibilities on accredited systems.
- Assists in investigating security incidents and recommending corrective actions.
- Ensures compliance with government and company security policies.
- Uploads and updates documents for projects in applicable systems.
- Updates project plans and briefs as needed.
- Performs other duties as assignment by leadership.
The Information Security Systems Officer (ISSO) will be onsite during regular working hours and shall be available onsite within one hour after the Government’s regular working hours. Will also be available for on-call support as needed 24 hours/day, 7 days/week in this role.
QUALIFICATIONS
- Bachelor’s degree from an accredited four-year college or university with a major in computer science / engineering, electrical engineering, computer science, or equivalent combination of experience, education and training.
- Two years recent experience in IT-related field and one year of working in experience in Information Security (INFOSEC)
- CAP / GSLC / CISM certifications
- Strong computer and software skills, particularly in Microsoft Office products
- Previous experience in a similar role, highly preferable at a US military or US government installation
- Excellent organizational and time management skills
- Ability to obtain and maintain a US passport and driver's license throughout employment in this role
- Passport must be valid for a minimum of one (1) year or more at the time of hiring
- Ability to successfully pass the medical contract requirements and maintain compliance throughout the duration of deployment
- Must be able to obtain and maintain a Secret US Government Clearance. Note: US Citizenship is required to obtain a Secret Clearance
- Ability to obtain country-specific visas as required by the U.S. Department of State Foreign Clearance Guide
- IA appointment letter by ISSM preferred
WORKING ENVIRONMENT
This position is located on Diego Garcia, British Indian Ocean Territory (BIOT), a remote overseas location supporting U.S. Government operations. Employees may work in offices, industrial warehouses, ports, airfield, and outdoor environments and may be exposed to high temperatures, humidity, inclement weather, noise, dust, and uneven terrain. Work schedules may include evenings, weekends, holidays, and extended hours based on operational requirements.
PHYSICAL REQUIREMENTS
Requirements may include prolonged sitting, standing, walking, climbing stairs, and working in both indoor and outdoor environments. Must be able to meet all medical, security, and deployment requirements associated with assignment to a remote overseas location.
OTHER RESPONSIBILITIES
- Safety - Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks, and serving on safety committees and teams.
- Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.
- Procedure Compliance - Each employee must read, understand, and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to job.
This position is pending contract award.
Skills Required
- Bachelor’s degree from an accredited four-year college or university in computer science, engineering, electrical engineering, or equivalent education, training, and experience.
- Two years of recent experience in an IT-related field.
- One year of experience working in information security (INFOSEC).
- CAP, GSLC, or CISM certification.
- Strong computer and software skills, particularly Microsoft Office products.
- Previous experience in a similar role, preferably at a U.S. military or government installation.
- Excellent organizational and time-management skills.
- Ability to obtain and maintain a U.S. passport and driver’s license throughout employment.
- Passport valid for at least one year at the time of hiring.
- Ability to pass medical contract requirements and maintain compliance throughout deployment.
- Ability to obtain and maintain a Secret U.S. Government clearance; U.S. citizenship is required to obtain the clearance.
- Ability to obtain country-specific visas required by the U.S. Department of State Foreign Clearance Guide.
- IA appointment letter by ISSM.
Amentum Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Amentum and has not been reviewed or approved by Amentum.
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Healthcare Strength — Healthcare offerings are described as comprehensive, with medical, dental, and vision plans and multiple PPO/HSA options. Mental health support via an employee assistance program and other wellness resources is also included in the benefits mix.
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Retirement Support — Retirement support is positioned as a meaningful part of total rewards through a 401(k) plan with employer matching. Profit-sharing contributions and immediate or near-term vesting in some cases further strengthen the retirement value proposition.
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Leave & Time Off Breadth — Time-off benefits are presented as solid for the sector, including tiered PTO accrual by tenure and a set of paid holidays. Role-dependent flexible or remote work options and leave programs add to perceived work-life support.
Amentum Insights
What We Do
Amentum is a premier global technical and engineering services partner supporting critical programs of national significance across defense, security, intelligence, energy, and environment. We draw from a century-old heritage of operational excellence, mission focus, and successful execution underpinned by a strong culture of safety and ethics. Headquartered in Germantown, Md., we employ more than 20,000 people in 48 states and 28 foreign countries and territories. Visit us at amentum.com to explore how we deliver excellence for our customers’ most vital missions.









