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System Administrator - (TS Clearance)

Relha LLC, Arlington, VA, United States


Our Deloitte AI & Engineering team transform technology platforms, drive innovation, and help make a significant impact on our clients’ success. You’ll work alongside talented professionals reimagining and reengineering operations and processes that are critical to businesses. Your contributions can help clients improve financial performance, accelerate new digital ventures, and fuel growth through innovation.

Responsibilities

Support the customer on the contract in the Arlington, VA area as a Project Delivery Manager.

Administer and sustain secure cloud infrastructure across multiple classification levels, including DoD IL4/IL5, supporting legacy application migrations.

Automate deployments and configuration using Infrastructure as Code (IaC) tools such as Terraform and/or Azure ARM templates within controlled change and configuration management processes.

Operate and harden core services (Linux‑based systems, VMs, containers, storage, and networking) in secure cloud environments.

Monitor and optimize availability, performance, capacity, cost, and security posture using enterprise monitoring/observability tools.

Ensure compliance and authorization readiness by applying STIGs and supporting RMF/NIST/DoD 8140 controls, evidence collection, vulnerability remediation, and ATO activities.

Provide mission operations support: troubleshoot complex issues, implement backup/DR/BC procedures, maintain documentation, interface with government stakeholders, mentor junior staff, and support 24/7 on‑call rotation.

Qualifications
Required

At least 5 years of experience administering secure Linux‑based systems in compliance‑heavy environments.

Hands‑on experience applying STIGs and supporting RMF control implementation and evidence collection.

Experience supporting cloud‑hosted workloads (compute, network, storage) within controlled change and configuration management processes.

Strong communication skills and comfort working directly with government stakeholders.

Must be legally authorized to work in the United States without the need for employer sponsorship.

Active TS clearance with the ability to obtain and SCI.

Ability to be on site in Arlington, VA 4 days a week.

Preferred

CompTIA Security+ ce

RHCSA (Red Hat Certified System Administrator)

Microsoft Certified: Azure Solutions Architect Expert

CISSP (Certified Information Systems Security Professional)

CISM (Certified Information Security Manager)

Deloitte is committed to providing reasonable accommodations for people with disabilities. If you require a reasonable accommodation to participate in the recruiting process, please direct your inquiries to the Global Call Center (GCC) at USTalentCICInbox@deloitte.com.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or protected veteran status, or any other legally protected basis, in accordance with applicable law.

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