Security Engineer

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At Amentum, we're not just solving problems; we're engineering the future. With a steadfast commitment to innovation and integrity, we are a leading global partner to both government and private sectors, delivering advanced solutions to the world’s most pressing challenges. Our expertise spans a wide array of specialized services, including program management, environmental stewardship, training, logistics, consulting, systems engineering, and cutting-edge information technology.

We take pride in supporting our customers' endeavours with the highest standards of quality and collaboration, ensuring a secure and sustainable future.

We are searching for a highly motivated Security Engineer to join our project team for the Network Enhancement initiative. Your expertise in areas like Network Access Control (NAC), Identity and Access Management (IAM), Privileged Access Management (PAM), Endpoint Detection and Response (EDR), Data Loss Prevention (DLP), Multi-Factor Authentication (MFA), Next-Generation Firewalls (NGFW), and DMZ architectures will be vital to our security posture.

This is a full-time role that is based in Riyadh, Saudi Arabia.

• Design, implement, and test security solutions (NAC, IAM, PAM, EDR, DLP, MFA, NGFW).
• Design, implement, and test secure network architectures, including DMZs.
• Conduct security assessments and vulnerability analysis.
• Develop and test security policies and procedures.
• Monitor security logs and alerts for suspicious activity.
• Collaborate and coordinate with sub-contractors to ensure secure implementation.
• Stay up-to-date on the latest security threats and vulnerabilities.

• Bachelor's degree in Computer Science or related field.
• 10+ years of experience in information security.
• Deep understanding of security concepts and best practices.
• Hands-on experience with NAC, IAM, PAM, EDR, DLP, MFA, NGFW, and DMZ technologies.
• Strong analytical and problem-solving skills.
• Relevant security certifications (CISSP, CISM, CEH) are preferred.
• Ability to collaborate effectively with sub-contractors and manage project deliverables.
• Passion for technology and a commitment to continuous learning.

Our values stand on a foundation of safety, integrity, inclusion, and diversity. We put people at the heart of our business, and we genuinely believe that we all succeed by supporting one another through our culture of caring. We value positive mental health and a sense of belonging for all employees.

We aim to embed inclusion and diversity in everything we do. We know that if we are inclusive, we are more connected, and if we are diverse, we’re more creative. We accept people for who they are, regardless of age, disability, gender identity, gender expression, marital status, mental health, race, faith or belief, sexual orientation, socioeconomic background, and whether you’re pregnant or on family leave.

This is reflected in our wide range of Global Employee Networks centred on inclusion and diversity.

We partner with VERCIDA to help us attract and retain diverse talent. For greater online accessibility, please visit  to view and access our roles. As a Disability Confident employer, we will interview all disabled applicants who meet the minimum criteria for a vacancy. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role.

Your application experience is important to us and we’re keen to adapt to make every interaction even better. We welcome feedback on our recruitment process and if you need more from us before deciding to join us then please let us know.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law.
Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.

• Mid-Senior level

• Full-time

• Information Technology
• Defense and Space Manufacturing

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