Senior Systems Architect: Cloud, Security & Infrastructure

Cape Fox Shared Services; Chantilly (VA); On-site; USD 120,000 - 130,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Life insurance

Disability insurance

Tuition reimbursement

401K with company match

Paid time off

Company holidays

Job summary

Cape Fox Shared Services is seeking an experienced Senior Systems Administrator to lead design, implementation, and security of our server, network, and cloud infrastructure. You will manage Windows environments, virtualization, storage, and core networking while driving improvements and coordinating with IT leadership.

The role requires strong problem-solving abilities, collaboration across teams, and hands‑on administration of mission‑critical systems in a secure enterprise environment.

Qualifications

• 5+ years of experience in systems administration or IT infrastructure.
• Experience designing and maintaining Windows Server environments.
• Hands-on experience with virtualization, storage, and core network components.

Responsibilities

• Design, administer, and optimize Windows Server environments, virtualization platforms, storage systems, and core network components.
• Manage on‑premises and cloud infrastructure including VMs, identity services, backups, security configurations, and enterprise applications.
• Oversee firewalls, switches, wireless networks, and VPN systems for secure connectivity across locations.
• Lead patching, updates, monitoring, and performance tuning; provide Tier 3 escalation support.
• Troubleshoot advanced system, network, and integration issues to minimize downtime.
• Implement security practices, including access controls, encryption, logging, monitoring, vulnerability remediation, and system hardening per CMMC/NIST.
• Perform regular health checks, security audits, and risk assessments; remediate gaps.
• Develop scripts, automation tools, and workflows to improve efficiency.
• Create and maintain documentation: configurations, procedures, diagrams, policies, and change records.
• Collaborate with IT leadership and external partners on strategic planning and project implementations.
• Provide advanced technical support and guidance to the broader team.

Skills

Windows Server

Virtualization

Network security

CMMC/NIST compliance

Scripting & automation

System hardening

Documentation

Vendor & MSP collaboration

Tools

Cloud platforms

Firewalls & switches

Job description

Cape Fox Shared Services is seeking an experienced Senior Systems Administrator to lead design, implementation, and security of our server, network, and cloud infrastructure. You will manage Windows environments, virtualization, storage, and core networking while driving improvements and coordinating with IT leadership.

The role requires strong problem-solving abilities, collaboration across teams, and hands‑on administration of mission‑critical systems in a secure enterprise environment.