Senior Systems Engineer

About Agile Defense   At Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spirit and the courage to build for what comes next.   Our vision is to bring adaptive innovation to support our nation's most important missions through the seamless integration of advanced technologies, elite minds, and unparalleled agility—leveraging a foundation of speed, flexibility, and ingenuity to strengthen and protect our nation’s vital interests. Requisition:1117   Title: Senior Systems Engineer   Clearance: Active Top Secret   Location: Quantico, VA   Overview: Agile Defense is seeking a Senior Systems Engineer to join our team supporting a mission-critical federal law enforcement program. In this role, you will help architect and maintain secure, high-availability systems that directly enable national criminal justice operations. You’ll play a hands-on role in engineering, integration, deployment, testing, and maintenance of infrastructure and software environments, all while working within a dynamic Project Management Office (PMO).   This position offers the opportunity to engage with a wide range of technical challenges—from virtualization to scripting to system interoperability while supporting law enforcement professionals in the field and across the nation.   Clearance: · Active Top Secret clearance required   Responsibilities/Duties: · Infrastructure & Systems Engineering. Design, implement, and maintain the core systems infrastructure that supports secure, reliable, and scalable IT operations. o Design, configure, and maintain infrastructure components including firewalls and switches. o Applying Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGS) to firewalls and switches. o Support and manage virtual and hyperconverged environments. o Install, configure, upgrade, and migrate Windows Server and SQL Server software. o Participate in the design and delivery of information and operational support systems. · Automation & Scripting. Leverage scripting to automate tasks, enhance efficiency, and support system management across the enterprise. o Write clean, effective scripts using Python, PowerShell, Ruby, Perl, or similar languages. · Environment Management & Testing. Support the creation and maintenance of test environments to ensure system functionality, security, and performance meet mission requirements. o Manage and maintain software verification and validation (V&V) environments, including hardware and network components. o Build and maintain User Acceptance Testing (UAT) environments as needed. o Install Government-Off-The-Shelf (GOTS) software in test environments on a routine basis. o Participate in Continuity of Operations Plan (COOP) exercises in assigned roles. · Technical Documentation & Procurement Support. Contribute to program planning and acquisitions by developing technical documentation and supporting procurement processes. o Draft and update procurement documents such as Statements of Work (SOWs) and Independent Government Cost Estimates (IGCEs). o Support program planning and future procurements through gap analyses and technical recommendations. o Identify, evaluate, and assist in resolving program risks and issues. · Security & Compliance Review. Ensure system and network designs meet evolving security standards and technical requirements. o Review and provide recommendations on proposed network and system designs to ensure compliance with security policies. o Assist in designing secure system configurations when needed. · Liaison & Stakeholder Support. Serve as a trusted technical advisor and communication bridge between stakeholders, administrators, and engineering teams. o Liaise with hardware/software support teams, stakeholders, and end users to support integration and troubleshooting. o Review deliverables and provide technical feedback and approval recommendations. o Attend local meetings and relevant conferences as required. o Prepare and deliver technical briefings and presentations within established deadlines.   Required Qualifications: · Bachelor’s degree and a minimum of 7 years’ experience in systems engineering, including infrastructure and virtualization support. · Experience with: o Designing enterprise networks including LAN, WAN, cloud solutions, software defined networking, load balancing, zero trust, WAN optimization, network encryption solutions. o Firewalls, switches o Virtualization platforms (Hyper-V, Nutanix, VMWare) o Windows Server and SQL Server o Scripting in Python, PowerShell, or equivalent · Strong communication skills and ability to provide consultative technical guidance.   Preferred Qualifications: · Familiarity with Jira implementation · Relevant certifications such as: o Microsoft Certified Professional (MCP) o Cisco Certified Network Associate (CCNA) o VMware Data Center Virtualization