Sr Systems Engineer

WHO WE ARE

Apex Fintech Solutions (Apex) powers innovation and the future of digital wealth management by building tech-forward solutions that help simplify automate and facilitate access to financial markets for all. Our robust suite of fintech software enables us to support clients such as Stash Betterment SoFi Webull and eToro amongst many others; collectively Apex powers access to the stock market for over 22+ million end customers.  

 At Apex we are changing how the securities industry operates by reinventing the status quo which was manual slow and accessible only by the ultra-wealthy. We're digitizing and democratizing systems so that everyone has an opportunity to invest. 

When you're at Apex you drive this change. You're part of a global team with a clear vision: to be the trusted technology that powers the digital economy. Our offices in Austin Dallas Chicago New York Portland Belfast and Manila are home to over 1000 employees. 

Together we’re shaping the future of financial innovation. Embrace change. Solve big. Win together. And be G.R.E.A.T. — grit results empathy accountability and teamwork — with Apex. 

We’re proud to be recognized for the innovative work we do the purpose-driven nature of our work and the collaborative culture we’ve created. Here are just a few of the many awards we’ve recently received: 

Best Places to Work 

2026 2025 2024 2023 - Presented by BuiltIn 

WealthTech of the Year 

2025 - Presented by US FinTech Awards 

The World’s Top 250 Fintech Companies 

2024 - Presented by CNBC 

ABOUT THIS ROLE

We have an exciting opening for a bright talented and passionate Senior Systems Engineer to join our infrastructure team. In this role you will build implement and maintain Linux based application systems in a developing DevOps culture. You will collaborate with other members of our team to ensure availability performance reliability and security for our users and clients.

Duties/Responsibilities

• Operate and continuously improve Linux systems engineering and administration. 

• Deployment and automation of applications via Salt & Ansible. 

• Troubleshoot diagnose and resolve server events and user incidents relating to Linux systems. 

• Engage in detailed planning change control and thorough testing to ensure performance availability and stability. 

• Security related activities system hardening patching vulnerability threat management and mitigation. 

• Manage and deploy system monitoring and management tools such as DataDog LogicMonitor Sentinel One SNMP etc. 

• Design and create automation to execute tasks and/or processes using scripting languages (Shell Scripting Powershell PERL Python). 

• Create and maintain clear and accurate system documentation. 

• Ensure high performance and reliability of production systems by performing system monitoring and analysis performance tuning and troubleshooting system hardware software and applications. 

• Partner with Software Engineering teams to develop proactive maintenance plans schedule maintenance windows implement the changes and follow-up. 

• Maintain non-proprietary application stack (Kubernetes Docker Kafka MongoDB RabbitMQ Zookeeper). 

• Oversee infrastructure environment (VMWare Storage Backups etc). 

Education and/or Experience

• Bachelor's degree in Computer Science or other technical field (or equivalent work experience) required; advanced degree preferred

• 5+ years of experience in a similar role with experience in Cloud environments (i.e. cloud migration cloud management cloud architecture) and hand on Linux Engineering and Administration. 

• Experience with infrastructure related software including VMWare noSQL databases (e.g. MongoDB) containerization (e.g. docker) orchestration (e.g. Kubernetes) SAN storage and backup 

• Experience with code management tools such as Git. 

• Experience with TCP/IP networking troubleshooting and tools 

• Experience with configuration management tools (Ansible and SaltStack). 

• Experience writing and maintaining python/powershell/shell scripts/other scripts that automate tech operations. 

• Experience with Dell server hardware. 

Required Skills/Abilities

• Excellent organizational and follow-up skills with strong attention to detail. 

• Ability learn new skills to keep up with cutting edge technologies and evolving skill sets. 

• Ability to work in a team environment with much collaboration. 

• Ability to operate with a sense of purpose and urgency. 

• Be passionate about troubleshooting debugging and automation. 

• Must possess excellent verbal and written communication skills. 

• Expected to respond to alerts and outages; participate in periodic 24x7 on-call schedule. 

• Skill in providing top notch responsive customer service to internal and external clients. 

Work Environment

• This job operates in a hybrid office environment 3 days per week.

• This job may require flexible shifts and days of the week including weekends and holidays as needed. 

• This job may require travel as needed (up to 10%).

#IT #mid-senior #full-time #LI-LN1 #APEX

​Please note this job description is not designed to cover or contain a comprehensive listing of activities duties or responsibilities required of the employee for this job. Duties responsibilities and activities may change at any time with or without notice.

Our Rewards

We offer a robust package of employee perks and benefits including healthcare benefits (medical dental and vision EAP) competitive PTO 401k match parental leave and HSA contribution match. We also provide our employees with a paid subscription to the Calm app and offer generous external learning and tuition reimbursement benefits. At AFS we offer a hybrid work schedule for most roles that allows employees to have the flexibility of working from home and one of our primary offices.

Salary Range

The annual base salary range for this position is noted above. Exact compensation offered may vary depending on job-related knowledge skills experience and office location.

EEO Statement

Apex Fintech Solutions is an equal opportunity employer that does not discriminate on the basis of race color religion sex (including pregnancy sexual orientation and gender identity) national origin age disability veteran status marital status or any other protected characteristic. Our hiring practices ensure that all qualified applicants receive fair consideration without regard to these characteristics.

Disability Statement

Apex Fintech Solutions is committed to creating an inclusive and accessible workplace for all candidates including those with disabilities. We are dedicated to ensuring equal employment opportunities and providing reasonable accommodations to qualified individuals with disabilities. If you require reasonable accommodations to participate in the application or interview process please submit your request via the Candidate Accommodation Requests Form. We will work with you to provide the necessary accommodations to ensure your full participation in our hiring process.

What We Do

Apex Fintech Solutions provides the tools and services that enable hundreds of clients to launch scale and support digital investing for tens of millions of end investors. The company provides essential infrastructure and a comprehensive ecosystem of cloud-based products to enable and streamline trading wealth management cost basis tax reporting and through its subsidiary Apex Clearing™ custody and clearing. For more information visit the Apex Fintech Solutions website: https://www.apexfintechsolutions.com.

Why Work With Us

We are bold enough to do what needs to be done. Savvy enough to know what that is. Kind and candid enough to tell it like it is every step of the way. We are compelling in our own right but devoted to joint success. We watch our backs. We scout the way ahead. We put ourselves our team and our clients in a position to soar.

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