IT Application Engineer

Job Overview Responsible for application delivery, Layer7 networking, cloud platforms, and systems engineering to ensure the availability, performance, scalability, and security of mission‑critical business applications. Key Responsibilities Design, deploy, and support highly available application delivery platforms and supporting infrastructure. Configure and manage Layer7 technologies including load balancers, reverse proxies, SSL/TLS services, traffic management policies, and Web Application Firewalls (WAF). Support and administer technologies such as F5 BIG‑IP LTM/ASM, AWS ALB/NLB, Azure Application Gateway, NGINX, HAProxy, Citrix ADC. Troubleshoot application performance, connectivity, authentication, API, and availability issues. Develop and maintain high‑availability, failover, and application resiliency solutions. Partner with development and cybersecurity teams to support application deployments and secure architecture. Administer Windows and Linux server environments across physical, virtual, hybrid, and cloud platforms. Support AWS, Azure and other cloud environments, including networking, security, monitoring, and identity management services. Manage virtualization platforms and infrastructure services supporting enterprise applications. Implement Infrastructure as Code (IaC) and automation solutions using Terraform, Ansible, PowerShell, or Python. Monitor system health, performance, and capacity to ensure reliable service delivery. Implement and maintain security controls aligned with organizational and regulatory requirements. Support vulnerability remediation, system hardening, application security, and incident response efforts. Assist with audits, compliance initiatives, and continuous improvement of security posture. Maintain observability through monitoring, logging, and alerting platforms. Provide Tier2 and Tier3 support for application and infrastructure‑related incidents. Participate in on‑call rotations and critical incident response activities. Collaborate with engineering, operations, cybersecurity, and business stakeholders on strategic initiatives. Maintain technical documentation, architecture diagrams, and operational procedures. Contribute to process improvements, technology evaluations, and mentoring of junior team members. Required Qualifications Bachelor’s degree in Information Technology, Computer Science, Engineering, or equivalent experience. 5+ years of experience supporting enterprise applications, infrastructure engineering, systems administration, or application delivery platforms. Experience administering Layer7 networking and application delivery technologies. Hands‑on experience with load balancing and Web Application Firewall (WAF) solutions, including F5 BIG‑IP LTM/ASM, AWS ALB/NLB, Azure Application Gateway, or equivalent platforms. Experience supporting Windows and Linux operating systems. Experience with AWS, Azure or other cloud platforms. Strong understanding of TCP/IP, DNS, SSL/TLS, routing, firewalls, reverse proxies, and application networking concepts. Experience with virtualization, hybrid cloud architectures, and infrastructure automation. Proficiency with scripting or automation tools such as PowerShell, Python, Bash, Terraform, or Ansible. Strong analytical, troubleshooting, communication, and problem‑solving skills. Preferred Qualifications AWS Certified Solutions Architect or SysOps Administrator. Microsoft Azure Administrator or Solutions Architect. F5 Certified Administrator (F5‑CA). Cisco CCNA/CCNP. VMware VCP. CompTIA Security+ or equivalent security certification. Experience with Docker, Kubernetes, OpenShift, or other container platforms. Familiarity with CI/CD pipelines, DevOps practices, and modern application architectures. Experience with observability, monitoring, and SIEM platforms. Knowledge of Zero Trust principles and cybersecurity frameworks. Core Competencies Application Delivery & Engineering Layer7 Networking Cloud Infrastructure Web Application Firewall Administration Infrastructure Automation Security & Compliance Troubleshooting & Root Cause Analysis Technical Leadership & Collaboration Benefits Vantor offers a competitive total rewards package, including a robust 401(k) with company match, mental health resources, student loan repayment assistance, adoption reimbursement, and pet insurance. EEO Statement Vantor is an equal‑opportunity employer committed to an inclusive workplace. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, gender identity, sexual orientation, disability, protected veteran status, age, or any other characteristic protected by law. Reasonable accommodations are provided for applicants with disabilities in compliance with federal and state laws. #J-18808-Ljbffr