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Cybersecurity Systems Engineer Cloud Computing: Infrastructure & Operations IT Support

Developer, Cybersecurity, IT​/Tech

Job in Hartford, Hartford County, Connecticut, 06112, USA
Listing for: TechDigital Group
Full Time position
Listed on 2026-10-17
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, Cloud Computing: Infrastructure & Operations, IT Support
Salary/Wage Range or Industry Benchmark: 120000 - 150000 USD Yearly USD 120000.00 150000.00 YEAR
Job Description & How to Apply Below

Required skills:

  • F5 Technologies: F5 BIG-IP LTM, GTM, ASM/Advanced WAF, APM — configuration, administration, and troubleshooting.
  • Scripting & Automation: iRules (TCL-based), iApps, F5 AS3, DO (Declarative Onboarding), TS (Telemetry Streaming), and REST API integration.
  • Application Development:
    Server-side and application-tier development (Java, Python, Node.js, or .NET) with understanding of how applications interact with load balancers and reverse proxies.
  • Networking: TCP/IP, HTTP/HTTPS, DNS, SSL/TLS, VLAN, SNAT, routing protocols (BGP, OSPF), and packet-level troubleshooting (tcpdump, Wireshark).
  • Cloud Platforms:
    Experience with F5 VE deployments on AWS (ELB/ALB/NLB integration), Azure (Application Gateway), or GCP; understanding of cloud-native load balancing services.
  • CI/CD & IaC:
    Ansible playbooks for F5, Terraform F5 provider, Jenkins/Git Lab CI integration for automated deployments.
  • Monitoring & Observability:
    Splunk, ELK, Grafana, or F5 Analytics/AVR for traffic visibility, dashboarding, and alerting.
  • Security: WAF policy tuning, DDoS mitigation, bot management, zero-trust principles, and security hardening of application delivery infrastructure.
Job Description / Responsibilities
  • Design, configure, and manage F5 BIG-IP Local Traffic Manager (LTM) virtual servers, pools, nodes, and monitors for enterprise applications across multiple environments (Development, QA, Staging, Production).
  • Develop and maintain iRules, iApps, and Local Traffic Policies to enable advanced traffic steering, header manipulation, URI-based routing, SSL offloading, and content switching.
  • Implement and manage F5 BIG-IP Global Traffic Manager (GTM / DNS) for geographic load balancing, disaster recovery failover, and multi-data-center traffic distribution.
  • Configure and troubleshoot SSL/TLS termination, certificate management, and end-to-end encryption across the F5 platform, including integration with enterprise PKI and certificate authorities.
  • Build and maintain health monitors (HTTP, HTTPS, TCP, UDP, custom scripted) to ensure proactive detection of application and service degradation.
  • Support application development teams by integrating load balancing configurations into CI/CD pipelines and Infrastructure-as-Code (IaC) workflows using Ansible, Terraform, or F5 AS3/DO declarative APIs.
  • Perform capacity planning, traffic analysis, and performance tuning of F5 appliances and virtual editions (VE) to meet SLA and throughput requirements.
  • Troubleshoot complex application delivery issues spanning L4–L7 layers, including packet captures, SSL handshake failures, persistence problems, and asymmetric routing.
  • Manage F5 Advanced WAF (Web Application Firewall) policies to protect applications against OWASP Top 10 vulnerabilities, bot traffic, and DDoS attacks.
  • Collaborate with network, security, and application teams to architect resilient, scalable load balancing solutions aligned with enterprise standards.
  • Maintain documentation including topology diagrams, runbooks, change records, and standard operating procedures for all F5 and load balancing configurations.
  • Participate in on-call rotations and provide L3 support for production incidents involving application delivery and traffic management.
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