Senior Systems Engineer

We are seeking a highly experienced Systems Engineer (Subject Matter Expert) to support enterprise infrastructure and systems operations within a complex, mission-driven environment. This individual will serve as a technical leader responsible for engineering, integration, and sustainment of server platforms, network infrastructure, and operating systems. This role requires hands-on expertise across systems architecture, virtualization, networking, and cybersecurity compliance within a regulated environment.

Key Responsibilities

Lead the design, enhancement, and maintenance of enterprise IT infrastructure, including servers, operating systems, and associated hardware

Plan, evaluate, and implement upgrades or modifications to network and server environments

Perform system analysis, troubleshooting, and root cause resolution across both hardware and software layers

Monitor system performance, utilization, and availability, proactively addressing operational issues

Support daily administration and sustainment of infrastructure components, ensuring optimal performance and reliability

Diagnose and resolve network-related issues at both physical and logical layers, including protocol-level troubleshooting (TCP/IP and related technologies)

Contribute to the architecture, design reviews, and deployment of new infrastructure systems supporting voice and data networks

Execute system integration and lifecycle management activities across enterprise environments

Administer and enhance virtualized environments, ensuring efficiency and scalability

Maintain and enforce infrastructure standards, configurations, and communication protocols

Provide technical guidance, support, and mentorship to engineering and operations teams

Lead efforts related to system design, deployment, testing, patching, and interoperability across platforms including storage and backup environments

Ensure systems maintain compliance with organizational patching policies and security baselines

Support system certification, accreditation, and authorization activities as required

Develop and maintain documentation such as standard operating procedures (SOPs) and user reference materials

Advise leadership on technology strategy, including infrastructure design, system optimization, and future-state planning

Evaluate emerging technologies and make recommendations for adoption aligned with mission needs

Education: Bachelor's Degree required (BS/BA or equivalent), 10+ years of experience in systems engineering, infrastructure support, or a related technical discipline

Strong experience with:

Microsoft Windows Server environments Active Directory administration and management

In-depth knowledge of enterprise networking concepts and protocols (e.g., TCP/IP)

Proven experience supporting complex client/server architectures

Demonstrated understanding of federal cybersecurity frameworks and compliance requirements, including:

NIST 800 series guidance FISMA compliance practices

Ability to troubleshoot across full-stack infrastructure (hardware, OS, and network layers)

Strong communication skills with experience providing technical guidance and training to teams

Preferred Certifications

Microsoft Windows Server Hybrid Administrator Associate VMware Certified Professional - Data Center Virtualization (VCP-DCV) Cisco Certified Network Professional (CCNP) Certified Information Systems Security Professional (CISSP)

Preferred Experience

Hands-on experience with VMware vSphere (version 7 or similar)

Familiarity with enterprise networking technologies and Cisco-based environments

Experience with enterprise hardware platforms (e.g., Dell servers, SAN/storage systems)

Exposure to system authorization and accreditation processes within secure environments

Experience supporting security controls aligned to NIST 800-53 frameworks

Familiarity with Governance, Risk, and Compliance (GRC) tools such as RiskVision, Xacta, or similar platforms