Systems Engineer

IT Coalition

. Administer, troubleshoot, and optimize Windows Server environments, including Active Directory, Group Policy, DNS, DHCP, and IIS .

Posted 9/21/2026full-timeFort Meade • Maryland • United StatesMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in administering and optimizing Windows and Linux server environments, including Active Directory, Group Policy, and VMware technologies. Proficient in security compliance, troubleshooting, and developing operational documentation in alignment with industry standards.

Highest-signal resume keywords

Windows Server AdministrationLinux Administration (RHEL, CentOS, Ubuntu)VMware vSphere/ESXi ManagementSecurity+ CertificationTier 3 Troubleshooting

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Active DirectoryGroup PolicyDNSDHCPIISSTIG HardeningShell ScriptingVMotionHA/DRSPatch Compliance

Soft Skills

Excellent CommunicationOrganizational SkillsCollaborative WorkIndependent Work

Tools & Technologies

VMwareNessusSplunkCSfC Technologies

Certifications & Qualifications

Security+RHCSALinux+LPIC-1LPIC-3VCAVCPCKAKCNAMicrosoft Windows Server Administrator Associate

Industry Keywords

DISA STIGNIST SP 800-53Cyber SecurityRoot-Cause AnalysisOperational Documentation

Tech Stack

Tools & technologies

Cyber SecurityDNSLinuxShell ScriptingSplunkVMware

About the role

Key responsibilities & impact

Administer, troubleshoot, and optimize Windows Server environments, including Active Directory, Group Policy, DNS, DHCP, and IIS
Administer Linux systems (RHEL, CentOS, Ubuntu), including patching, STIG hardening, service configuration, and shell scripting
Diagnose complex OS-level issues and analyze logs; collaborate across multi-disciplinary teams to resolve system and network interaction issues
Manage VMware vSphere/ESXi, including VM provisioning, monitoring, vMotion, HA/DRS, datastores, and snapshot lifecycle
Resolve virtualization issues involving hosts, clusters, vCenter, networking, and storage integrations
Support hybrid environments combining physical servers, virtual machines, and clustered services
Conduct Tier 3 root-cause analysis across the operating system, application, network, and virtualization layers
Develop and maintain SOPs, TTPs, O&M workflows, and operational documentation
Perform scheduled and emergency maintenance windows, patch cycles, configuration changes, and system upgrades
Install and configure systems hardware and software in accordance with DISA STIG, NIST SP 800-53, and other applicable security hardening guidelines
Provide customer-facing support within the client's secure location and resolve end-user issues

Requirements

What you’ll need

Bachelor's degree in Computer Science, Engineering, or an IT-related discipline, or equivalent related technical experience
3–5+ years of experience in a Systems Engineering or systems administration role
Active Federal SECRET Security Clearance
Security+ or equivalent IAT Level II qualifying Cyber Security certification
Hands-on Windows Server administration experience: Active Directory, Group Policy, DNS, DHCP, and IIS
Hands-on Linux administration experience (RHEL, CentOS, Ubuntu), including patching, STIG hardening, service configuration, and shell scripting
Experience administering VMware vSphere/ESXi, including provisioning, vMotion, HA/DRS, datastores, and snapshot management
Demonstrated Tier 3 troubleshooting and root-cause analysis skills across OS, application, network, and virtualization layers
Experience with STIG and patch compliance, and with developing and maintaining SOPs, TTPs, and O&M documentation
Excellent written and verbal communication and organizational skills, with the ability to work independently and collaboratively under tight deadlines
Understanding of Commercial Solutions for Classified (CSfC) technologies and layered security concepts
Experience supporting solutions aligned with NSA CSfC Capability Packages (Mobile Access preferred)
Ability to build, document, and maintain CSfC-compliant architectures
Preferred certifications: RHCSA, Linux+, LPIC-1, LPIC-3, VCA, VCP, CKA, KCNA, or Microsoft Windows Server Administrator Associate
Working knowledge or experience with AD CS, Nessus, and Splunk
Knowledge of automating provisioning, patching, and troubleshooting of server deployments and processes
Prior management or lead experience strongly desired
Must be able to lift 50 pounds

Benefits

Comp & perks

Outstanding compensation and benefits plan
Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions