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# Senior System Engineer

- **Company:** Warrior Solutions LLC
- **Location:** Manassas, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Active Directory, Amazon Web Services, ARM Architecture, Microsoft Azure, Cloud Computing, Software Documentation, Domain Name System (DNS), Identity and Access Management, Lightweight Directory Access Protocols (LDAP), Windows Servers, NetApp Applications, OpenShift, Public Key Infrastructure, Red Hat Enterprise Linux, Ansible, Microsoft SharePoint, System Availability, Firewalls (Computer Science), NetScout, Information Technology, Nessus, Splunk, Cisco, Vmware
- **Published:** July 17, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9039740/senior-system-engineer

## About the Role

* U.S. Citizenship required
 * 10+ years of experience in system administration, engineering, information assurance, or cybersecurity roles (preferably supporting federal IT projects)
 * 5+ years of demonstrable experience in administering a highly available customer-serving infrastructure
 * Bachelor's degree in Information Technology, Engineering, or Computer Science
 + Additional years of professional experience and IT certifications may be substituted for a Bachelor's degree
 + An associate's degree, plus 4 years of experience, can equate to a bachelor's degree
 * DoD 8570 IAT Level II or higher compliant certification, e.g., GSEC, Security+
 * Proven experience with Red Hat Linux Administration
 * Excellent troubleshooting and communication skills
 * Be a self-starter who is not afraid to speak up and voice their opinions, as well as a skilled generalist who has the confidence to take on whatever projects are needed
 * Ability to write clear, detailed, and accurate system documentation

Significant experience in one or more of the following areas:

 * Supporting federal identity or credentialing systems
 * Cloud (AWS, Azure) and hybrid environments
 * Windows Server Administration
 * Red Hat Certificate Services, Red Hat IDM, Red Hat OpenShift
 * Palo Alto Firewalls
 * Active Directory Administration
 * F5 LTM and DNS
 * Cisco switching and routing
 * Splunk
 * Ansible
 * VMware
 * CORTEX XDR
 * NetScout
 * NetApp Storage Administration
 * Keyfactor
 * LDAP
 * PKI / TLS
 * Nessus / Security Center
 * FISMA
 * SharePoint
 * Technical Writing

## Description

Our client is seeking a skilled and proactive Senior System Engineer who will be a key part of a team that designs, builds, and supports an enterprise Government high-value asset system using cutting-edge products and tools. This role supports mission-critical federal identity management programs and ensures compliance with federal cybersecurity standards, including FISMA and NIST. The position will be responsible for all aspects of system operation and maintenance to safeguard sensitive information and ensure high availability of services in a secure environment, * Monitor, maintain, and troubleshoot systems, including hardware and software.

 * Develop and engineer new hardware and software solutions to meet best practices, security, and compliance standards
 * Support the deployment and configuration of hardware and software.
 * Maintain documentation of configurations, diagrams, and standard operating procedures.
 * Support and perform system upgrades, patching, and migrations.


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