Senior IT System Engineer

Description
TEKsystems is seeking a Senior IT Systems Engineer to own and evolve mission-critical platforms supporting our Operational Insights & Visualization - Edge Product Team. This role sits at the intersection of enterprise IT, cloud, and edge technologies, with direct impact on operational reliability, data visibility, and long-term platform scalability across Refining.
Under general direction, this engineer will provide Senior-level technical leadership across system design, implementation, and lifecycle management while partnering closely with architecture, product, and operations teams to ensure technology solutions align with business outcomes.
Key Responsibilities
Own the design, implementation, and lifecycle management of highly available, secure, and resilient IT platforms supporting operational and edge workloads.
Lead infrastructure architecture across on-premises and Azure hybrid environments, including Linux and Windows servers, virtualization platforms, storage, and containerized workloads.
Design and govern backup, recovery, and disaster recovery strategies, validating RPO/RTO requirements and ensuring platforms meet business continuity expectations.
Define and implement observability standards, including monitoring, alerting, and logging, to support proactive operations and service reliability.
Partner with product teams, architects, and business stakeholders to translate operational requirements into scalable technical solutions.
Drive automation and standardization using scripting and infrastructure-as-code to improve reliability, reduce manual effort, and accelerate delivery.
Provide Senior technical leadership, mentoring engineers, influencing platform standards, and owning outcomes across multiple systems and environments.
Ensure cybersecurity principles are embedded in platform designs, including identity, access control, segmentation, and Zero Trust practices.
Required Skills & Experience
Proven experience in systems engineering or Senior systems administration supporting mission-critical environments.
Strong knowledge of server infrastructure (Linux, Windows Server), virtualization platforms (VMware, Hyper-V, Nutanix), and enterprise storage.
Hands-on experience with backup and recovery technologies and disaster recovery planning and execution.
Experience working in Azure cloud environments, including hybrid architectures.
Familiarity with containers and container platforms (Docker, Kubernetes).
Experience with monitoring and observability tools supporting enterprise SLAs/SLOs.
Proficiency in automation and scripting (PowerShell, Python, Bash, Terraform or similar).
Strong communication skills with the ability to engage both technical and non-technical stakeholders.
Skills
Microsoft Azure, Windows Server, Linux, VMware, Hyper-V, Nutanix, Backup, Rubrik, Enterprise Monitoring, Observability, Docker, Kubernetes, Terraform, Infrastructure as Code, PowerShell, Python, Storage, IAM, Zero Trust
Top Skills Details
Microsoft Azure,Windows Server,Linux,VMware,Hyper-V,Nutanix,Backup,Rubrik,Enterprise Monitoring,Observability,Docker,Kubernetes
Additional Skills & Qualifications
Degree in Computer Science, IT, or a related field.
Preferred Experience
Experience supporting edge, OT-adjacent, or industrial environments.
Exposure to event-driven architectures, APIs, or messaging technologies (REST, MQTT).
Familiarity with IoT platforms, telemetry, or time-series data.
Experience working within large enterprise or regulated environments.
Experience Level
Expert Level
Job Type & Location
This is a Contract position based out of San Antonio, TX.
Pay and Benefits
The pay range for this position is $52.00 - $75.00/hr.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
Medical, dental & vision
Critical Illness, Accident, and Hospital
401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available
Life Insurance (Voluntary Life & AD&D for the employee and dependents)
Short and long-term disability
Health Spending Account (HSA)
Transportation benefits
Employee Assistance Program
Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace Type
This is a fully onsite position in San Antonio,TX.
Application Deadline
This position is anticipated to close on May 29, 2026.

About TEKsystems

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.