Freelance Distributed Systems Engineer Jobs in Virginia

Job Summary:
The Swift Group, LLC is a mission-driven and employee-focused services and solutions company headquartered in Reston, VA. They are looking for a highly experienced Systems Engineer to lead systems engineering efforts and ensure the integration and operation of complex systems in mission-driven environments.
Responsibilities:
• Lead end-to-end systems engineering efforts to transition prototype capabilities into production-grade enterprise solutions with high organizational visibility.
• Conduct new hardware testing, integration, and validation to ensure interoperability across complex, multi-domain architectures.
• Maintain and manage production environments, including patching, code stream modifications, software upgrades, and configuration updates for customers and stakeholders.
• Design, document, and maintain systems architecture diagrams using Visio and similar tools, capturing current and target state configurations.
• Design, build, maintain, and support Linux server infrastructure (CentOS, Ubuntu) and virtualized environments.
• Administer and troubleshoot physical and virtual server environments using VMware, vSphere, and related hypervisor technologies.
• Manage and maintain MariaDB databases and associated backend systems.
• Support system accreditation processes, ensuring all infrastructure meets sponsor security and compliance requirements.
• Ensure devices connect successfully to secured wireless networks and troubleshoot connectivity issues across enterprise wireless environments.
• Manage and support mobile device operations and transitions, including the engineering of new enterprise mobile device solutions collaborating across multiple technical teams.
• Meet and enforce all security requirements for wireless infrastructure in compliance with applicable standards.
• Leverage AWS technologies including VPC, EC2 instances, and S3 buckets to support mission infrastructure and hybrid cloud architectures.
• Manage Certificate Authorities (CAs) and issue certificates to network devices and Identity Services Engine (ISE) platforms.
• Support and administer network access control (NAC) solutions using Cisco ISE to enforce endpoint compliance.
• Utilize OpenXT and related secure endpoint technologies in support of program requirements.
• Utilize SPLUNK and other analytics tools to monitor, analyze, and correlate real-time network and systems data.
• Employ automated network management tools to perform monitoring and control of managed elements in accordance with established procedures.
• Serve as a Tier 3/4 escalation resource for complex systems and network incidents; conduct root cause analysis and drive resolution.
• Monitor mission WANs distributed across worldwide enterprise architectures and develop, analyze, and report performance metrics for system requirements assurance.
• Collaborate with enterprise network counterparts to maintain and deliver the infrastructure backbone supporting mission operations.
• Deploy solutions to customers and provide hands-on training across all customer segments.
• Coordinate with Branch Chiefs, Technical Directors, and program leadership on the strategic direction of key projects.
• Respond to and resolve trouble tickets and customer requests in a timely and professional manner.
• Mentor junior engineers and contribute to organizational best practices, engineering standards, and technical playbooks.
Qualifications:
Required:
• BS in Computer Science, Information Systems Security, Information Technology, Systems Engineering, or a related technical field, or equivalent professional experience.
• 10+ years of progressive, hands-on experience in systems engineering, integration, and operations in support of government or intelligence community programs.
• Demonstrated experience in Linux server administration (CentOS 7, Ubuntu) and Windows desktop/server environments.
• Proficiency with virtualization technologies including VMware and vSphere.
• Experience with AWS cloud services (VPC, EC2, S3) in support of enterprise or government architectures.
• Experience with Cisco ISE and certificate management, including operation of Certificate Authority (CA) infrastructure.
• Hands-on experience using SPLUNK for real-time data analysis and network monitoring.
• Strong background in wireless infrastructure, mobile device management, and enterprise endpoint security.
• Ability to produce and maintain technical documentation, systems diagrams, and architecture presentations for diverse technical and non-technical audiences.
• Experience supporting system accreditation and compliance processes (RMF/ICD 503).
• US citizenship and an active TS/SCI with Polygraph security clearance required
Preferred:
• Certified Scrum Master (CSM) or equivalent Agile certification.
• Project Management Professional (PMP) certification or active pursuit.
• AWS Certified Solutions Architect, AWS Certified SysOps Administrator, or equivalent cloud certification.
• Experience with MariaDB or similar relational database administration.
• Familiarity with OpenXT or other secure virtualization/endpoint technologies used in IC environments.
• Experience with COMSEC equipment, encryption devices (KIV-7, KG-84), and secure communications protocols.
• Background operating in cyber threat analysis, information assurance, or computer network operations roles.
• Familiarity with DISA STIGs and DoD/IC security compliance frameworks.
• Experience with automated network management tools (HP OpenView, MaxView, SMAC) and ITSM ticketing platforms (REMEDY, SRS, SIEBEL).
• Background with tactical communications, satellite systems, or military-grade network operations.
Company:
Swift is a privately held, mission-driven and employee-focused services and solutions company headquartered in Reston, Virginia. Founded in 2019, the company is headquartered in Reston, USA, with a team of 201-500 employees. The company is currently Growth Stage.