Deloitte · 5 hours ago
Systems Administrator - OT Network Assessment & Monitoring Engineer in Huntsville, AL (Secret Clearance)
Huntsville, AL
Full-time
Onsite
Senior Level, Lead/Staff
12+ years expDeloitte is a leading firm in cybersecurity, seeking a Systems Administrator - OT Network Assessment & Monitoring Engineer to support IT and OT networks in high-security environments. The role focuses on enhancing the reliability and security of the DoD network through proactive management, Linux expertise, and compliance with security frameworks.
AccountingConsultingFinancial ServicesLegalProfessional ServicesRisk Management
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Oversee the daily operational health and performance of OT-focused network and monitoring solutions in classified and mission-critical environments
Conduct periodic and ad-hoc assessments of network/server infrastructure, leveraging in-depth knowledge of Linux (CentOS, Red Hat, Rocky, RedHawk) to identify areas for optimization and hardening
Apply experience in automating system baselines and patching using Ansible, Bash, and Kickstart to improve consistency and reduce downtime
Collaborate with engineering, development, and security teams to support DevSecOps best practices, streamline updates, and ensure continuous ATO readiness aligned with DISA STIG, NIST, and RMF frameworks
Troubleshoot and resolve complex Linux and network issues, providing mentoring support to junior administrators and team members
Develop and maintain documentation-including architecture diagrams, process documents, root-cause analyses, and compliance records-to support a culture of transparency and accountability
Lead and support Red Hat Linux system administration and security hardening tasks in operational settings
Knowledge and maintenance of hypervisors (VMware ESXi, vCenter, Hyper-V) and containerization platforms (Podman, Docker, Kubernetes)
Introduce and analyze operational metrics to guide process improvement and adoption of new tools or procedures
Prepare clear documentation and regular progress reports for management and technical stakeholders
Drive and contribute to technical reviews, lessons learned, and action plans based on deployment and operational data, promoting a cycle of continuous improvement and reduced audit failures
Qualification
Required
Bachelor's degree or equivalence experience required
Must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future
Active Secret security clearance required
Must be local to Huntsville, AL and able to come onsite 5 days a week
DoD 8570 IAT Level II+ Certification (e.g., CompTIA Security+)
12+ years of total professional experience
5+ years of experience with the following: System/network administration for high-security or government programs, including team and technical leadership
Hands-on experience administering and automating Red Hat Linux environments in production settings
Enterprise Active Directory, Certificate Authority, DNS/DHCP
Experience meeting DoD standards for STIG compliance, ATO, RMF, and vulnerability management
Understanding of DevSecOps automation (Ansible, Git, Bash) and monitoring solution integration
Benefits
Competitive benefits package
Company
Deloitte
Deloitte is a business consulting company that offers audit, consulting, financial advisory, and tax services.
10001+ employees
Funding
Current Stage
Late StageLeadership Team
Anne Muraya
Chief Executive Officer - East Africa
Joe Ucuzoglu
Global Chief Executive Officer
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