Systems Engineer

TIAG • Arlington, MA

13d • $100,000 - $120,000 • Onsite

About The Position

TIAG is hiring a Systems Engineer to support the Office of Naval Research (ONR) in Arlington, Virginia. The position supports mission-critical enterprise IT operations by administering, maintaining, troubleshooting, and optimizing Windows Server infrastructure across on-premises and AWS cloud environments. The engineer supports Windows Server administration, Active Directory, DNS, VMware virtualization, systems integration, and hybrid infrastructure, working with cloud engineering, network operations, cybersecurity, and enterprise support teams to maintain secure, reliable, highly available infrastructure.

The role supports the Server team with design, implementation, documentation, and troubleshooting of the enterprise server environment, including performance and capacity management and coordination with the network infrastructure team. It also provides technical support and engineering for Microsoft Windows operating systems, AWS-hosted Windows workloads, VMware, data center and development environments, storage, backups, and disaster recovery infrastructure.

The Systems Engineer applies DoD security requirements, DISA STIGs, and approved system configuration baselines. The role supports vulnerability scanning and remediation, system hardening, patching, RMF and ATO requirements, security assessment documentation, continuous monitoring, and POA&M remediation. Candidates must have an active Secret clearance. The position is onsite at the ONR location in Arlington five days per week, with no travel required. The stated salary range is $100,000–$120,000 per year.

Requirements

• At least 5 years of experience related to server/system design and administration.
• Knowledge of principles, methods, and techniques used in physical and virtual server administration and engineering.
• Advanced knowledge of relevant hardware, including hypervisors, blade servers, switches, routers, bridges, and firewalls.
• Advanced knowledge of multiple operating systems, virtualization software, monitoring tools, IPv4, and IPv6.
• Knowledge of common server, network, and user equipment, such as SAN, NAS, and video bridges.
• Familiarity with AWS cloud infrastructure, particularly EC2 and Windows Server workloads.
• Understanding of hybrid infrastructure integrating on-premises systems with cloud services.
• Experience supporting backup, recovery, system monitoring, and infrastructure maintenance activities.
• Familiarity with DISA STIGs, vulnerability remediation, and DoD cybersecurity requirements.
• Strong technical documentation, communication, and troubleshooting skills.
• Ability to collaborate effectively with multidisciplinary engineering and cybersecurity teams.
• Ability to solve server and infrastructure problems and manage enterprise server performance and capacity.
• An active Secret clearance.
• One of the following certifications: VCP, Server+, Microsoft Server Certification, Certified Network Engineer, or a similar professional computing environment certification; the posting specifies a DoD 8570 IAT Level II Computing Environment certification.

Nice To Haves

• Microsoft Certified: Windows Server Hybrid Administrator Associate or an applicable successor certification.
• AWS Certified Cloud Practitioner or AWS Certified Solutions Architect – Associate.
• Experience supporting Windows Server workloads in AWS GovCloud (US) or other approved government cloud environments.
• Experience with AWS Systems Manager, CloudWatch, EBS, and AWS Backup.
• Experience with PowerShell scripting and infrastructure automation.
• Experience with VMware vSphere, vCenter, and ESXi administration.
• Familiarity with Microsoft Azure, Entra ID, and hybrid identity environments.
• Experience with enterprise backup and disaster recovery solutions.
• Experience supporting DoD, Department of the Navy, or other federal government IT environments.
• Familiarity with ITIL processes, IT Service Management (ITSM), and Configuration Management Databases (CMDBs).

Responsibilities

• Administer, maintain, troubleshoot, and optimize enterprise Windows Server infrastructure across on-premises and AWS cloud environments.
• Support Windows Server workloads in AWS, including EC2 instances and associated storage; assist with configuration, operating system administration, monitoring, backup, and maintenance.
• Troubleshoot connectivity and integration between AWS-hosted Windows systems and on-premises enterprise services.
• Support cloud migrations through server assessments, configuration validation, workload testing, and post-migration troubleshooting.
• Collaborate with Cloud Engineers and Cloud Solutions Architects to implement approved infrastructure designs.
• Prepare plans for server development and installation based on current and future requirements.
• Monitor, tune performance, troubleshoot, and resolve system problems to ensure availability.
• Provide technical support for the VMware environment.
• Lead and perform changes to operating systems, databases, applications, servers, storage, networks, and backups in data center and development environments.
• Manage configuration, administration, upgrades, and maintenance of corporate and disaster recovery servers, related infrastructure, and storage.
• Engineer or assist in developing solutions aligned with security, uptime, and performance requirements.
• Apply DoD security requirements, DISA STIGs, and approved system configuration baselines; support vulnerability scanning, remediation, and system hardening.
• Implement and maintain security patches and configuration updates according to established timelines.
• Collaborate with Information Assurance personnel on RMF and ATO requirements.
• Maintain system configuration documentation and evidence for security assessments and continuous monitoring.
• Assist with remediation of vulnerabilities and Plans of Action and Milestones (POA&Ms).
• Maintain awareness of system management, network monitoring, and operational support tools.
• Support server patch management processes, including management, testing, and installation of security patches and cybersecurity products.
• Provide infrastructure architecture recommendations.
• Maintain system integrity through change control and problem management procedures and communication with internal customers.
• Lead staff and organize and monitor work processes to accomplish department objectives.
• Attend team meetings, training sessions, and company-sponsored programs as required.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed