Senior Systems Engineer, IT

Posted Thursday, October 16, 2025 at 10:00 AM

At Acra Lending our employees enjoy an opportunity to work with great people. We celebrate several events throughout the year accompanied by raffles and giveaways for employees nationwide. We are especially proud to give back to our community and truly enjoy one another's company. We provide a continental breakfast daily and cater lunch every Friday.

We are looking for candidates to join our team who are passionate about their vocation. Who are committed to making a contribution and are looking to gain experience in order to grow in their career. Our headquarters are located on a beautiful campus in Irvine, California and if you work out of our Irvine office we can also provide a free gym membership.

Th is role requires years of Level 3 System Engineer experience architecting and managing IT Infrastructure (AWS, Azure), and hybrid solutions including experience with Cloud Migrations .

Senior Systems Engineer

The Senior Systems Engineer will play a strategic and technical leadership role in designing, implementing, deploying, maintaining, and optimizing our IT infrastructure across offices, data centers, and cloud environments. This position will ensure the seamless operation and security of our critical business applications and infrastructure while driving innovation through the adoption of modern technologies and engineering best practices.

In this role, you will act as a proactive problem solver, ensuring system reliability, scalability, and performance. You will collaborate with coworkers and other teams to design robust solutions, troubleshoot complex issues, and mentor junior team members to strengthen the organization’s technical capabilities. Clear communication and the ability to present complex concepts to technical and non-technical stakeholders are critical.

Your goal will be to deliver a resilient, scalable, and secure IT infrastructure that supports the organization’s business objectives with minimal downtime and operational interruptions.

Pay Range: $,000 Salary. Our pay range is based upon experience, education, location and qualifications

• Provide strategic direction and technical leadership for infrastructure design, implementation, and optimization.
• Lead architectural discussions for Windows systems, cloud infrastructure (AWS, Azure), and hybrid solutions.
• Manage and maintain Active Directory (AD), DNS, DHCP, and other critical systems.
• Design, deploy, and maintain scalable, highly available solutions using cloud-native architectures in AWS and Azure.
• Oversee the configuration and management of network infrastructure, including firewalls, switches, and load balancers.
• Lead automation efforts for infrastructure deployment, configuration management using tools like Power Shell, Python, and Terraform.
• Architect, implement, and manage LAMP/LEMP stack systems.
• Establish comprehensive system monitoring and alerting for all environments to ensure high availability and rapid incident response (New Relic, Datadog, Prometheus, Grafana, Dynatrace).
• Drive backup, disaster recovery (DR), and business continuity planning, including annual DR testing and refinement.
• Act as the lead technical resource for the design and deployment of identity management solutions (SSO, MFA) using tools like Okta and Azure AD.
• Collaborate with Dev Ops and development teams to optimize CI/CD pipelines, infrastructure as code (IaC), and containerized workloads.
• Backup procedures to safeguard data security, ensure resource availability, maintain data integrity, and meticulously log and review application activities.
• Mentor and coach junior system administrators and engineers, fostering skill development and knowledge sharing.
• Own system documentation, process improvements, and adherence to IT best practices.
• Troubleshoot and resolve complex system, network, and application issues efficiently.

• Lead a team of engineers and administrators, providing mentorship, performance feedback, and fostering a culture of innovation and continuous learning.
• Oversee project planning, resource allocation, and task prioritization for the infrastructure team.

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

• 7+ years of experience in systems engineering or infrastructure roles with a focus on architecture, implementation, and operational excellence.
• 5+ years of experience in AWS and/or Azure environments, including designing and managing hybrid cloud solutions.
• Proven expertise in network design and administration, including firewalls, VPNs, and high-performance switches.
• Strong background in Windows Server administration and Linux-based environments…