Senior Linux Systems Engineer

Kentro

4d • Onsite

About The Position

Thank you for considering IT Concepts dba Kentro, where innovation drives opportunity and collaboration leads to success. Our dynamic community of experts is fully committed to advancing our customers' missions, fostering professional growth, and making a positive impact on our communities.
By joining our supportive community, you will find that Kentro is dedicated to your personal and professional development. Together, we can drive meaningful change, spark innovation, and achieve extraordinary milestones.
We are seeking a Senior Linux Systems Engineer to support USSOCOM’s Zero Trust architecture with a focus on ICAM capabilities. This role is critical to designing, implementing, and maintaining secure Linux-based environments that enable identity-driven access, continuous authentication, and least-privilege enforcement across enterprise and mission systems.The ideal candidate will bring deep Linux expertise, strong cybersecurity fundamentals, and experience integrating identity services within Zero Trust frameworks.

Requirements

• Bachelors in Computer Engineering or related. Or equivalent practical experience with AIT Certification
• DoD 8570 IAT Level II certification (Security+ CE or higher)
• 8+ years of experience in Linux systems engineering/administration
• Strong expertise in RHEL-based systems, system hardening, and patch management
• Experience with ICAM technologies (e.g., Active Directory, LDAP, PKI, MFA solutions)
• Hands-on experience implementing Zero Trust concepts in enterprise environments
• Familiarity with identity protocols (SAML, OAuth 2.0, OpenID Connect, Kerberos)
• Experience with automation tools (Ansible, Puppet, Chef, or scripting languages)
• Knowledge of RMF, STIG compliance, and vulnerability management tools (e.g., ACAS, SCAP)
• TS/SCI required
• Must be a US Citizen

Nice To Haves

• Experience supporting USSOCOM or other DoD/IC customers
• Knowledge of Zero Trust frameworks (e.g., DoD ZT Strategy, NIST 800-207)
• Experience with cloud environments (AWS GovCloud, Azure Government)
• Familiarity with containerization technologies (Docker, Kubernetes)
• Experience with endpoint security and EDR solutions in Linux environments

Responsibilities

• Design, build, and maintain secure Linux environments (RHEL, Rocky, or similar) supporting Zero Trust ICAM initiatives
• Engineer and integrate ICAM solutions (e.g., IdP, MFA, PKI, LDAP/AD integration) within Linux-based systems
• Implement and enforce Zero Trust principles including least privilege, micro-segmentation, and continuous authentication
• Harden systems in accordance with DISA STIGs, NIST 800-53, and DoD security requirements
• Support identity federation and access control mechanisms (SSO, SAML, OAuth, OpenID Connect)
• Automate system configuration and deployment using tools such as Ansible, Bash, or Python
• Monitor system performance, security posture, and audit logs; respond to incidents and vulnerabilities
• Collaborate with cybersecurity, network, and cloud engineering teams to ensure secure system integration
• Support RMF processes including documentation, control implementation, and continuous monitoring
• Provide Tier III support and troubleshooting for complex system and identity-related issues

Benefits

• We offer competitive benefits package including paid time off, healthcare benefits, supplemental benefits, 401k including an employer match, discount perks, rewards, and more.
• We invest in our employees – Every employee is eligible for education reimbursement for certifications, degrees, or professional development.
• We work hard; we play hard. Kentro is committed to incorporating fun into every day. We dedicate funds for activities – virtual and in-person – e.g., we host happy hours, holiday events, fitness & wellness events, and annual celebrations.
• In alignment with our commitment to our communities, we also host and attend charity galas/events.
• We believe in appreciating your commitment and building a positive workspace for you to be creative, innovative, and happy.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level