Senior Systems Architect — Enterprise Infra & Security

ORBIS Inc; Quantico (VA); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Benefits package

Job summary

ORBIS Inc. seeks a Senior System Administrator to lead and hands-on manage a diverse systems environment, including Windows Server, Linux, VMware/Hyper-V, and enterprise services. The role emphasizes DoD-compliant operations, disaster recovery design, and security controls to meet NIST/FISMA standards.

The candidate will conduct root-cause analysis, optimize performance across the data center, and ensure compliance while documenting all solutions. A TS/SCI clearance is required at contract start.

Qualifications

• Ten years of progressively responsible experience operating and maintaining complex computer systems.
• Bachelor's degree preferred; equivalent certifications + 8+ years experience considered in lieu of formal education.
• DoD 8570.01-M IAT Level II certification and Security+ required.

Responsibilities

• Provide expert guidance and hands-on management across a diverse systems landscape.
• Ensure secure, high-performing, scalable environments through configuration, monitoring, and optimization of systems (Windows Server, Linux, VMware/Hyper-V).
• Manage core infrastructure services (Active Directory, DNS, DHCP) and enterprise-level applications for seamless integration and performance.
• Apply engineering mindset to root cause analysis and develop well-documented solutions to complex issues.
• Design, implement, and test robust disaster recovery and data backup strategies (Veeam, Azure Site Recovery).
• Analyze performance bottlenecks, engineer optimization solutions, and enforce secure access controls aligning with SLAs.

Skills

Active Directory

DNS

DHCP

Windows Server

Linux

VMware

Hyper-V

Disaster recovery

SIEM

Cloud integration

Automation tools

Root cause analysis

Security+ certification

IAT Level II

NIST / FISMA compliance

Education

Bachelor's degree in Computer Science / Information Systems

Equivalent certifications + 8+ years experience

Tools

Veeam

Azure Site Recovery

Job description

ORBIS Inc. seeks a Senior System Administrator to lead and hands-on manage a diverse systems environment, including Windows Server, Linux, VMware/Hyper-V, and enterprise services. The role emphasizes DoD-compliant operations, disaster recovery design, and security controls to meet NIST/FISMA standards.

The candidate will conduct root-cause analysis, optimize performance across the data center, and ensure compliance while documenting all solutions. A TS/SCI clearance is required at contract start.