Systems Engineer

AMS Technologies, LLC; San Antonio (TX); On-site; USD 90,000 - 120,000; Full time

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.

Skills

Active Directory

Windows Server

PKI / Certificate Authority

Storage SAN/NAS

VMware ESXi/vCenter

PowerShell

Documentation & communication

DoD RMF/STIGs familiarity

Disaster recovery planning

Education

Bachelor’s degree in a technical field

Tools

VMware ESXi/vCenter

PowerShell

Job description

Systems Engineer

Company: AMS Technologies, LLC
Location: San Antonio, TX (on-site)
Clearance: Active Top Secret required. TS/SCI strongly preferred. U.S. citizenship required.

About the Role

AMS Technologies is seeking a Systems Engineer to support our current cyber program in San Antonio. You will design, implement, secure, and sustain enterprise services across Windows and virtualized environments to ensure mission readiness and reliability.

Key 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.

Required Qualifications

• Bachelor’s degree in a technical field or equivalent experience.
• 5 plus 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.

Preferred Qualifications

• DoD STIG hardening experience and familiarity with RMF.
• Experience with backup and recovery solutions and disaster recovery planning.
• Familiarity with HBSS or endpoint security tools, ACAS or vulnerability scanning, and log aggregation.
• Relevant certifications such as Security Plus, MCSE, VCP, or similar.

Work Environment and Schedule

• On-site in San Antonio supporting Air Force mission operations.
• Standard business hours with occasional off-hours maintenance or surge support.
• Competitive salary and comprehensive benefits package.
• Paid time off and holidays.
• Professional development support and certification reimbursement.

Equal Opportunity

AMS Technologies is an Equal Opportunity Employer. All qualified applicants will receive consideration without regard to race, color, religion, sex, national origin, disability, or veteran status. Reasonable accommodations are available upon request.