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Sr. Systems Engineer - Load Balancing

FreedomPay

FreedomPayfreedompay.com

Sr. Systems Engineer - Load Balancing

Posted today

About the job

FreedomPay is a global commerce technology provider focused on secure, high-volume payment processing. The Sr. Systems Engineer supports infrastructure, load balancing, cloud, and security to ensure high availability, scalability, and performance.

Requirements

  • Expert in F5 BIG-IP and LTM
  • Experience with Kubernetes/OpenShift ingress
  • Strong networking and TCP/IP knowledge
  • Proficient in Linux, Docker, OCI containers
  • Experience with cloud architectures

Qualifications

  • Bachelor's or master's in CS or related field
  • 8+ years infrastructure engineering
  • 5+ years in enterprise load balancing
  • 3+ years with Kubernetes/OpenShift

Full job description

The FreedomPay Commerce Platform is the technology of choice for many of the largest companies across the globe in retail, hospitality, lodging, gaming, sports and entertainment, foodservice, education, healthcare and financial services.  FreedomPay’s technology has been purposely built to deliver rock solid performance in the highly complex environment of global commerce. The company maintains a world-class security environment and was first to earn the coveted validation by the PCI Security Standards Council against Point-to-Point Encryption with EMV standard in North America. FreedomPay’s robust solutions across payments, security, identity and data analytics are available in-store, online and on-mobile and are supported by rapid API adoption. The award winning FreedomPay Commerce Platform operates on a single, unified technology stack across multiple continents allowing enterprises to deliver a consistent, repeatable experience on a global scale.  FreedomPay is a fast paced, high growth company with a great culture with competitive benefits and compensation with a business casual atmosphere.

At FreedomPay, our infrastructure supports secure, high-volume payment processing across a global platform. We are seeking a highly experienced senior systems engineer to design, implement, and support enterprise application delivery and security solutions. This role will be responsible for managing F5, application ingress, cloud, Linux, and containerization technologies across on-premise and hybrid cloud environments, ensuring high availability, performance, scalability, and security for mission-critical applications.

  • This position participates in an engineering escalation on‑call rotation.
  • This position is a hybrid role, with occasional on‑site work in the Philadelphia area (must be currently local to Philadelphia, relocation assistance not available)

Primary Responsibilities:

  • Subject matter expert in application ingress and load balancing
  • Design, implement, and support global load balancing topologies in a data center and hybrid cloud environment
  • Support transition from traditional application stacks to containerization workloads
  • Support complex infrastructure, application, networking, and security configurations across multiple technology stacks
  • Partner with networking, security, and operations teams to ensure reliable and secure application delivery
  • Develop automation, documentation, standards, and operational procedures to improve system reliability and scalability
  • Lead technical projects, platform upgrades, migrations, and modernization initiatives

Required Qualifications:

  • Expert-level hands-on experience with F5 rSeries, virtual appliances, and BIG-IP technologies, including Local Traffic Manager (LTM), Application Security Manager (ASM) / Advanced WAF, SSL/TLS offload and certificate management, high availability and global traffic management concepts, iRules, and traffic engineering
  • Expert experience implementing and supporting ingress solutions for applications hosted on physical servers, virtual servers, Kubernetes environments, and OpenShift environments
  • Advanced understanding of physical networking, TCP/IP, DNS, PKI and Certificate Services
  • Extensive experience with Red Hat Enterprise Linux (RHEL), container technologies, Docker and OCI-based containers, and container image management
  • Strong experience with cloud technologies and architectures, including virtual machines, cloud networking, network security, cloud firewalls, and hybrid cloud environments
  • Strong experience with NGINX, NGINX Ingress Controller, OpenShift Routes, Kubernetes Ingress, and reverse proxy technologies
  • Strong hands-on experience with OpenShift, Kubernetes, container networking, storage integrations, platform operations, and lifecycle management
  • Experience with infrastructure automation and scripting using tools such as PowerShell, Python, Ansible, and Bash

Professional Skills:

  • Strong problem-solving and analytical skills
  • Ability to independently own projects and technical initiatives from design through implementation
  • Ability to communicate complex technical concepts to technical and non-technical stakeholders
  • Demonstrated ability to work effectively both independently and within a collaborative engineering team
  • Strong documentation, organizational, and time-management skills
  • Customer-focused mindset with a commitment to operational excellence

    • Education and Experience:

  • Master’s or bachelor's degree in Computer Science, Information Technology, Management Information Systems, Engineering, or a related field; equivalent experience will be considered
  • Eight or more years of progressive infrastructure engineering, systems engineering, or platform engineering experience
  • Five or more years of experience supporting enterprise application delivery, load balancing, and cloud infrastructure platforms
  • Three or more years of experience operating Kubernetes and/or OpenShift environments in production

    • Preferred Certifications:

  • F5 Certified Technology Specialist (F5-CTS) or F5 Certified Solution Expert (F5-CSE)
  • Red Hat OpenShift certification
  • Red Hat Certified Engineer (RHCE)
  • Certified Kubernetes Administrator (CKA)
  • Azure, AWS, or Oracle Cloud certifications
  • VMware Certified Professional (VCP)


    • As the fastest growing commerce company in the industry, we offer the opportunity for tremendous upward mobility within the company as well as development and professional growth opportunities. FreedomPay's fulltime roles provide exceptional benefits including medical, prescription, dental and vision coverage, Life Insurance, Retirement Plans with company match, commission sharing plan, flexible hybrid working environment, and great parental and other leave programs. All positions must be able to successfully pass a background check as well as a credit check.

    FreedomPay is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

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