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Careers - IP Secure, LLC

Senior Systems Engineer

San Antonio, TX, United States

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Job details

Experience: 12+ years of experience with a Bachelor’s degree in a technical field
Posting language: English

Original job description

Senior Systems Engineer – TS/SCI Clearance Required – Port San Antonio – San Antonio, TX

Job Description

We are seeking a highly skilled Senior Systems Engineer to support the design, implementation, administration, modernization, and sustainment of complex enterprise server and computing environments.

The ideal candidate will possess extensive hands-on experience with Microsoft Windows Server, Active Directory, VMware virtualization technologies, enterprise storage systems, backup and recovery solutions, and core infrastructure services.

The successful candidate must demonstrate advanced technical proficiency in Windows Server administration, Active Directory Domain Services (AD DS), Group Policy, DNS, DHCP, Active Directory Certificate Services (AD CS), VMware vSphere, ESXi, vCenter Server, and enterprise storage technologies.

This position requires an engineer capable of independently designing, deploying, configuring, administering, securing, and troubleshooting complex physical and virtual server infrastructure while ensuring system availability, performance, reliability, and operational continuity.

Job Responsibilities

Microsoft Windows Server and Enterprise Services

Design, deploy, configure, maintain, and troubleshoot Microsoft Windows Server environments.
Administer Windows Server 2019, 2022, 2025, and supported enterprise server operating systems.
Deploy, configure, and maintain Active Directory Domain Services, including domain controllers, organizational units, forests, trusts, and replication.
Design, implement, and administer Group Policy Objects (GPOs) and enterprise configuration policies.
Configure, administer, and troubleshoot DNS, DHCP, DFS, SMB file services, and Windows infrastructure services.
Manage Active Directory Certificate Services, including enterprise certificate authorities, certificate templates, certificate enrollment, renewal, revocation, and certificate lifecycle management.
Troubleshoot Kerberos, LDAP, authentication, authorization, and domain-related issues.
Perform Windows Server upgrades, patch management, security hardening, and lifecycle maintenance.
Maintain system configurations, administrative access controls, and operational documentation.

VMware Virtualization and Compute Infrastructure

Design, deploy, configure, maintain, and troubleshoot VMware vSphere virtualization environments.
Install, administer, and upgrade VMware ESXi hypervisors and vCenter Server appliances.
Configure and manage VMware clusters, High Availability (HA), Distributed Resource Scheduler (DRS), resource pools, and virtual machine lifecycle operations.
Administer vMotion, Storage vMotion, virtual machine templates, snapshots, and provisioning.
Implement, administer, and troubleshoot VMware vSAN storage clusters.
Configure and maintain virtual machine storage policies, capacity management, performance optimization, and cluster health.
Support VMware lifecycle management, host upgrades, firmware compatibility, and infrastructure modernization.
Diagnose and resolve complex virtualization performance issues, hypervisor failures, and virtual machine availability problems.
Perform infrastructure capacity planning, resource optimization, and hardware refresh activities.

Enterprise Storage Infrastructure

Configure, administer, maintain, and troubleshoot enterprise storage systems, including Pure Storage FlashArray.
Provision and manage storage volumes, LUNs, file systems, datastores, and storage access permissions.
Support enterprise storage technologies, including SAN, NAS, Fibre Channel, iSCSI, NFS, and SMB.
Configure and manage storage snapshots, replication, capacity utilization, and performance monitoring.
Integrate enterprise storage platforms with Windows Server and VMware virtualization environments.
Diagnose and resolve storage availability, performance, capacity, and data access issues.
Support enterprise storage upgrades, migrations, and technology refresh activities.

Backup, Recovery, and Data Protection

Administer enterprise backup and recovery solutions, including Cohesity.
Configure and maintain backup jobs, retention policies, protection groups, and recovery schedules.
Monitor backup infrastructure health, job execution, capacity utilization, and protection coverage.
Perform file-level, virtual machine, and system recovery operations.
Develop and maintain documented backup and disaster recovery procedures.
Conduct periodic restoration testing to validate data integrity and system recoverability.
Support disaster recovery planning, business continuity requirements, and recovery validation.

Virtual Desktop Infrastructure and Endpoint Systems

Administer and maintain VMware Horizon virtual desktop infrastructure.
Configure and support Horizon Connection Servers, virtual desktop pools, golden images, and user entitlements.
Maintain VMware Unified Access Gateway appliances as components of the Horizon infrastructure.
Configure and troubleshoot FSLogix profile containers, profile management, and user environment persistence.
Support IGEL OS and IGEL Universal Management Suite for centrally managed thin-client environments.
Diagnose and resolve virtual desktop provisioning, authentication, user profile, and performance issues.
Manage virtual desktop image updates, patching, optimization, and lifecycle maintenance.

Linux and Enterprise Operating Systems

Install, configure, maintain, and troubleshoot enterprise Linux server operating systems.
Support common Linux distributions such as Red Hat Enterprise Linux, Rocky Linux, and Ubuntu Server.
Perform Linux operating system patching, package management, service administration, and security configuration.
Manage user permissions, file systems, system services, scheduled tasks, and operating system logs.
Troubleshoot Linux server performance, storage utilization, service failures, and system availability issues.
Support integration of Linux servers with enterprise authentication, virtualization, backup, and storage platforms.

Systems Security and Infrastructure Management

Implement operating system hardening and secure system configuration baselines.
Administer privileged accounts, service accounts, permissions, and role-based access controls.
Support vulnerability remediation, operating system security patching, and configuration compliance activities.
Maintain enterprise PKI infrastructure, certificate trust chains, and system certificate deployments.
Support systems logging, auditing, monitoring, and security-related troubleshooting.
Participate in technical change management, system configuration reviews, and compliance validation.

Automation, Documentation, and Engineering Support

Develop and maintain PowerShell scripts for server administration, reporting, maintenance, and automation.
Utilize automation tools to streamline system provisioning, configuration management, and operational support.
Perform complex root-cause analysis across Windows, Linux, VMware, and enterprise storage platforms.
Develop and maintain system architecture diagrams, build documentation, configuration baselines, standard operating procedures, and recovery instructions.
Support system migrations, infrastructure upgrades, equipment replacements, and technology refresh projects.
Collaborate with other engineering disciplines to support enterprise applications and infrastructure dependencies.
Participate in engineering design reviews, change control processes, and infrastructure validation testing.

Basic Qualifications

12+ years of experience with a Bachelor’s degree in a technical field
Security+ certification or higher
Active TS/SCI clearance
Experience related to these 5 areas:
Windows Server & Active Directory: Advanced experience administering, configuring, securing, upgrading, and troubleshooting Windows Server environments, Active Directory, Group Policy, DNS, DHCP, PKI, and enterprise authentication services.
VMware Virtualization: Extensive experience deploying, managing, upgrading, and troubleshooting VMware vSphere, ESXi, vCenter, clusters, HA, DRS, vMotion, and vSAN infrastructure.
Enterprise Storage & Backup: Hands-on experience managing SAN/NAS storage, provisioning datastores, configuring storage protocols, and maintaining enterprise backup, recovery, and disaster recovery solutions.
Systems Engineering & Infrastructure Modernization: Proven ability to independently deploy, secure, maintain, and optimize enterprise infrastructure, including system migrations, patching, lifecycle management, automation, and PowerShell scripting.
Technical Troubleshooting & Collaboration: Strong expertise in complex infrastructure troubleshooting, root-cause analysis, performance optimization, technical documentation, and collaboration with multidisciplinary engineering teams.

Preferred Qualifications

VMware Certified Professional (VCP) certification or equivalent practical experience.
Microsoft infrastructure or Windows Server certifications.
Experience with VMware Cloud Foundation (VCF) and SDDC Manager.
Experience with Pure Storage FlashArray administration.
Experience with Cohesity backup and recovery platforms.
Experience with VMware Horizon virtual desktop infrastructure.
Experience administering FSLogix, IGEL OS, and IGEL Universal Management Suite.
Experience administering Linux servers in enterprise environments.
Experience with automation technologies such as PowerShell, Python, Ansible, and infrastructure management APIs.
Experience supporting enterprise PKI and certificate authority architecture.
Experience supporting secure government, enterprise, or systems integration laboratory environments.
Familiarity with system security hardening, vulnerability remediation, and configuration compliance requirements.

Benefits

Medical, Dental, Vision, Flexible Time Off, Sick Leave, Paid Federal Holidays, Education and Certification Reimbursement Program, 401(k) retirement plan with safe harbor employer match after 3 months, Prepaid Legal Plan and Identity Protection Plan available, Accident Insurance, Critical Illness Insurance, and Hospital Indemnity Insurance available.

EEOC Statement

IPSecure does not discriminate based on race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

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Jobs in the United States