Senior Systems Engineer — DoD IT, Hybrid

Validatek; Arlington (VA); Hybrid; USD 140,000 - 180,000; Full time

Job summary

ValidaTek in Arlington, VA is seeking a Senior Systems Engineer to design, implement, administer, and maintain complex enterprise systems and infrastructure in a DoD environment.

The role focuses on Windows Server, AD, virtualization, storage, and security controls, aligning with DoD STIGs and risk management. Hybrid work arrangement with potential travel and strong collaboration across engineering teams.

Qualifications

• Bachelor's degree or equivalent experience.
• 7+ years of experience in systems engineering, systems administration, or related IT infrastructure.
• Experience supporting Windows Server and Microsoft enterprise environments.
• Experience with networking, virtualization, and enterprise infrastructure technologies.
• Knowledge of DoD cybersecurity requirements and security best practices.
• Experience troubleshooting complex infrastructure issues in an enterprise environment.
• Strong communication, documentation, and problem-solving skills.

Responsibilities

• Design, implement, configure, and maintain enterprise systems and infrastructure.
• Administer and troubleshoot Windows Server and Microsoft environments, including Active Directory, DNS, DHCP, WSUS, and SCCM/MECM.
• Support enterprise network, virtualization, and storage environments.
• Troubleshoot complex systems and infrastructure issues and provide effective solutions.
• Develop and maintain system documentation, technical procedures, and network diagrams.
• Monitor system performance, availability, and infrastructure health.
• Implement and maintain security controls and DoD security requirements, including STIGs and vulnerability management.
• Support infrastructure upgrades, migrations, installations, and technology refresh initiatives.
• Participate in disaster recovery, business continuity, and system implementation activities.
• Collaborate with engineers, project teams, and stakeholders to support mission requirements.

Skills

Windows Server

Active Directory

DNS

DHCP

WSUS/MECM

SCCM/MECM

Networking

Virtualization

DoD cybersecurity

Documentation

Education

Bachelor's degree

Tools

VMware

Cisco networking

SAN

ACAS

HBSS

DoD STIGs

Job description

ValidaTek in Arlington, VA is seeking a Senior Systems Engineer to design, implement, administer, and maintain complex enterprise systems and infrastructure in a DoD environment.

The role focuses on Windows Server, AD, virtualization, storage, and security controls, aligning with DoD STIGs and risk management. Hybrid work arrangement with potential travel and strong collaboration across engineering teams.