On-Site Systems Engineer — DoD/TS, VMware & AD Expert

AMS Technologies, LLC

San Antonio (TX)

On-site

USD 90,000 - 120,000

Full time

14 days+

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Benefits offered by this job

Competitive salary

Comprehensive benefits package

Paid time off and holidays

Certification reimbursement

Professional development support

Job summary

AMS Technologies is seeking a Systems Engineer to design, implement, secure, and sustain enterprise services across Windows and virtualized environments to ensure mission readiness and reliability. The role requires an Active Top Secret clearance (TS) with TS/SCI preferred, U.S.

citizenship, and hands-on experience with Active Directory, PKI/Microsoft CA, VMware ESXi/vCenter, and storage systems. You will collaborate with cyber, network, and application teams and participate in after-hours

Qualifications

Bachelor’s degree in a technical field or equivalent experience.
5+ years of hands-on systems engineering or administration in enterprise or DoD environments.
Strong proficiency with Microsoft Active Directory and core Windows Server roles.
Practical experience with PKI and Microsoft CA, including certificate templates and CRL management.
Expertise with storage systems such as SAN or NAS platforms, zoning, and troubleshooting.
Proven VMware experience with ESXi and vCenter in production environments.
Scripting or automation experience with PowerShell for administration and reporting.
Excellent documentation and communication skills.

Responsibilities

Engineer, deploy, and sustain Microsoft Active Directory services, including GPO, DNS, DHCP, sites and services, and replication.
Administer and harden Public Key Infrastructure and Certificate Authority services in accordance with DoD guidance.
Design and maintain storage platforms, including provisioning, replication, snapshots, and performance tuning.
Build and manage VMware environments, including ESXi, vCenter, templates, resource allocation, and lifecycle management.
Implement security controls, patching, and configuration baselines aligned to STIGs and RMF objectives.
Develop and maintain system documentation, diagrams, SOPs, and recovery procedures.
Monitor system health, troubleshoot incidents, and execute root cause analysis with clear corrective actions.
Collaborate with cyber, network, and application teams to plan changes, conduct testing, and support mission events.
Participate in after-hours maintenance windows as needed to minimize operational impact.