Senior Systems Engineer
Edgesource Corporation· enterprise· Information Technology And Services· Sep 2, 2026 · 2mo ago
Springfield, VA
In office
Full-time
Senior
$150K–$170K
7+ years exp
Job description
COMPANY OVERVIEW
For over 25 years, Edgesource Corporation has served as an innovative technology service provider for the Department of War (DOW), Department of Homeland Security (DHS), Department of State (DOS), the U.S. Intelligence Community, Law Enforcement, and other federal, state, and commercial clients locally, nationally, and abroad. From providing boutique technical solutions in support of the DOD Counter Unmanned Aerial Systems (CUAS) mission set to addressing the most critical Cybersecurity threats facing our nation as a prime contractor with the DHS Cybersecurity & Infrastructure Security Agency (CISA), a career at Edgesource is an opportunity to do meaningful, interesting, and impactful work.
POSITION OVERVIEW
We are seeking a Systems Engineer to support the design, deployment, administration, security, and sustainment of Linux-based infrastructure supporting DoD development, integration, test, and mission environments. This position supports a combination of physical servers, virtual machines, containerized applications, development platforms, networking, storage, and mission applications.
The ideal candidate is a hands-on engineer with strong Linux fundamentals who is comfortable working across infrastructure, networking, virtualization, containers, and application support. The engineer will work closely with software developers, network engineers, cybersecurity teams, and mission partners to deploy new capabilities, troubleshoot complex problems, and maintain reliable and secure computing environments.
JOB DUTIES
- Install, configure, administer, patch, upgrade, and troubleshoot Linux servers and workstations.
- Support enterprise Linux distributions including RHEL, Rocky Linux, Ubuntu, Debian, or similar platforms.
- Manage users, permissions, services, packages, repositories, filesystems, storage, SSH, certificates, and system resources.
- Monitor system health, capacity, availability, and performance.
- Diagnose hardware, operating system, storage, network, and application-level issues.
Virtualization & Containers
- Deploy and manage Linux virtual machines within KVM, Proxmox, VMware, or similar virtualization environments.
- Configure virtual networking, storage, templates, snapshots, and system resources.
- Deploy and support containerized applications using Docker, Podman, Docker Compose, or similar technologies.
- Support Kubernetes, K3s, or other container orchestration platforms as required.
- Assist development teams with application deployment, runtime configuration, and troubleshooting.
Networking & Integration
- Configure and troubleshoot TCP/IP networking, routing, DNS, VLANs, firewalls, proxies, and application connectivity.
- Troubleshoot HTTP/HTTPS, REST APIs, WebSockets, SSH/SFTP, and other application protocols.
- Support reverse proxies, application proxies, and controlled ingress/egress architectures.
- Work with development and network teams to establish connectivity between applications, services, and external systems.
- Support rapid integration of new applications and technologies into development, test, and operational environments.
DevSecOps & Automation
- Support Git-based development environments and CI/CD platforms such as GitLab, GitHub, or Bitbucket.
- Develop scripts and automation using Bash, Python, Ansible, or similar technologies.
- Automate common system administration, deployment, configuration, monitoring, and maintenance activities.
- Support Infrastructure-as-Code and configuration-as-code practices.
- Assist engineering teams with application builds, deployments, dependencies, and infrastructure requirements.
Security & Operations
- Implement system hardening, patching, vulnerability remediation, and configuration-management requirements.
- Support DISA STIG implementation and applicable DoD cybersecurity controls.
- Assist cybersecurity teams with RMF activities and technical evidence collection.
- Configure and maintain logging, monitoring, backups, auditing, and system health capabilities.
- Maintain accurate system configurations, diagrams, procedures, and technical documentation.
- Support integration events, system demonstrations, testing, exercises, and other mission activities.
REQUIRED QUALIFICATIONS
- Bachelor’s degree in Computer Science, Information Technology, Engineering, Cybersecurity, or related discipline; equivalent technical experience may be considered.
- 7-10+ years of Linux systems administration, systems engineering, DevOps, infrastructure engineering, or related experience.
- Must hold an active TS/SCI clearance
- Strong Linux command-line administration and troubleshooting skills.
- Experience administering RHEL/Rocky Linux, Ubuntu, Debian, or comparable Linux systems.
- Experience with virtualization technologies such as KVM, Proxmox, VMware, or similar platforms.
- Experience deploying or supporting containerized applications.
- Strong understanding of TCP/IP networking, DNS, routing, firewalls, and application connectivity.
- Experience with Git and scripting or automation using Bash, Python, Ansible, or similar technologies.
- Understanding of system security, patch management, vulnerability remediation, and configuration management.
- Ability to independently troubleshoot problems spanning operating systems, networks, applications, and infrastructure.
- Strong technical communication and documentation skills.
NICE TO HAVE QUALIFICATIONS
- [Enter Desired Skills/Qualifications]
WORKING AT EDGESOURCE
As an ISO 9001:2015 certified and CMMI Level 3 appraised small business, Edgesource specializes in providing a variety of technical solutions to include software development, database services, enterprise networking, data center virtualization, and management support. We are always seeking top-talent to join our team in helping to address the most critical technical challenges facing our nation.
At Edgesource, we understand that our employees are our greatest asset, and as such we offer a wide array of benefits to support the well-being of our staff to include:
- Flexible PTO Policy + 11 Paid Holidays
- Flexible Work Schedules (Remote / Hybrid)
- Medical / Dental / Vision / Flexible Spending Account (FSA)
- 401k Plan with Match
- Tuition & Professional Development Support
- Commuter Benefits
- Bonus & Employee Referral Programs
- Career Growth Opportunities
DISCLAIMER
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information. Edgesource is committed to providing access, equal opportunity, and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities. To request reasonable accommodation, please contact our Recruiting Department by email at recruiting@edgesource.com or by phone at (703) 837-0550
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Benefits
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Dental
Vision
401k
Pto
Professional Development