Systems Engineer

TIAG is now hiring a Systems Engineer to join our team in support of our team at the Office of Naval Research (ONR) in Arlington, VA. Candidates must possess an active Secret clearance to be considered. This position reports onsite to the ONR location in Arlington 5 days/week.

The Systems Engineer will be responsible for administering, maintaining, troubleshooting, and optimizing enterprise Windows Server infrastructure across on-premises and AWS cloud environments.

This role supports ONR's mission-critical enterprise IT operations, including Windows Server administration, Active Directory, DNS, VMware virtualization, systems integration, and hybrid infrastructure support. The Systems Engineer will collaborate with cloud engineering, network operations, cybersecurity, and enterprise support teams to maintain secure, reliable, and highly available infrastructure.

This role will be responsible for supporting the Server team with design, implementation, documentation, and troubleshooting of the enterprise server environment. The Engineer will manage server infrastructure related problems, performance, and capacity as well as work hand-in-hand with the network infrastructure team on issues impacting the enterprise environment.

Responsibilities include providing expert technical support, administration, and engineering on all Microsoft Windows Operating Systems through the following ways:

Supports Windows Server workloads operating within AWS, including Amazon EC2 instances and associated storage resources.

Assists with AWS instance configuration, operating system administration, monitoring, backup, and maintenance.

Troubleshoots connectivity and integration between AWS-hosted Windows systems and on-premises enterprise services.

Supports cloud migration activities, including server assessments, configuration validation, workload testing, and post-migration troubleshooting.

- Collaborate with Cloud Engineers and Cloud Solutions Architects to implement approved infrastructure designs.

Maintains awareness of AWS security, availability, and operational best practices.

Helps to prepare plans for development and installation of server according to present and future requirements.

Monitors, performance tunes, troubleshoots and resolves systems problems to ensure system availability.

Provides expert technical support with entire VMWare environment.

Leads and performs changes to OS, databases, applications, servers, storage, network, and backups in the data center as well as development environments.

Manages the configuration, administration, upgrade, and maintenance of corporate and DR servers and related infrastructure as well as the Storage Environment.

Engineers/assists in developing solutions aligned with security, uptime and performance.

Applied DoD security requirements, DISA Security Technical Implementation Guides (STIGs), and approved system configuration baselines.

Supports vulnerability scanning, remediation, and system hardening activities.

Implements and maintain security patches and configuration updates in accordance with established timelines.

Collaborates with Information Assurance personnel to support Risk Management Framework (RMF) and Authority to Operate (ATO) requirements.

Maintains system configuration documentation and evidence supporting security assessments and continuous monitoring.

Assists with remediation of identified security vulnerabilities and Plans of Action and Milestones (POA&Ms).Maintains awareness of system management and network monitoring and the operational support tools to maintain those functions.

Works with server patch management processes and procedures to facilitate deployment.

Provides for the management, testing and installation of security patches and cyber security products.

Provides infrastructure architecture recommendations.

Maintains systems integrity through change control and problem management procedures and communication with internal customers.

Accomplishes department objectives by leading staff; organizing and monitoring work processes.

Attends and participates in team meetings, training sessions, and company-sponsored programs as required.

Minimum of 5 years experience related to server/system design and administration

Knowledge of the principles, methods, and techniques used in physical and virtual server administration and engineering

Advanced knowledge of and ability to use: PWS relevant hardware (hypervisors, blade servers, switches, routers, bridges, firewalls)
Software (multiple operating…