Systems Administrator

MedRisk

. Administer and troubleshoot F5 BIG-IP/LTM, including virtual servers, pools, health monitors, profiles, persistence, iRules, SSL/TLS, and certificates .

Posted 10/10/2026full-timeGuatemalaMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in administering and troubleshooting F5 BIG-IP/LTM, Imperva WAF, and Microsoft Windows Server environments, with a strong focus on network protocols, disaster recovery, and infrastructure reliability. Proficient in collaborating across teams to resolve complex application delivery issues and improve operational efficiency.

Highest-signal resume keywords

F5 BIG-IP/LTM AdministrationImperva WAF SupportMicrosoft Windows Server AdministrationVMware vSphere ManagementDisaster Recovery Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

F5 BIG-IP/LTMImperva WAFMicrosoft Windows ServerVMware vSphereTCP/IPDNSHTTP/HTTPSSSL/TLSPowerShellIRules

Soft Skills

CollaborationProblem-SolvingDocumentation

Tools & Technologies

VCenterESXiHADRSVMotion

Certifications & Qualifications

F5 CertificationVMware CertificationMicrosoft CertificationSecurity-Related Certification

Industry Keywords

HIPAAHITRUSTSOC 2ISO 27001Infrastructure Engineering

Tech Stack

Tools & technologies

CloudDNSFirewallsTCP/IPVMware

About the role

Key responsibilities & impact

Administer and troubleshoot F5 BIG-IP/LTM, including virtual servers, pools, health monitors, profiles, persistence, iRules, SSL/TLS, and certificates
Administer and support Imperva WAF, including application onboarding, security policies, blocked-request and false-positive troubleshooting, and policy tuning
Troubleshoot application traffic across DNS, WAF, firewalls, load balancers, web/application servers, and backend services
Administer and troubleshoot Microsoft Windows Server, including Active Directory-integrated environments, IIS, DNS, certificates, services, and permissions
Support VMware vSphere, vCenter, ESXi, HA, DRS, vMotion, virtual machines, and clusters
Support production incidents, root-cause analysis, vulnerability remediation, patching, upgrades, and infrastructure changes
Participate in disaster recovery, failover testing, infrastructure monitoring, and capacity management
Create and maintain technical documentation, diagrams, runbooks, and recovery procedures
Collaborate with Security, Network, Application, and Database teams to resolve complex infrastructure and application-delivery issues
Participate in an on-call rotation as required
Follow application requests end-to-end across client, firewall, Imperva WAF, F5, web/application server, and backend services
Identify opportunities to automate repetitive activities, eliminate recurring incidents, improve documentation, and increase infrastructure reliability

Requirements

What you’ll need

Guatemala-based candidates with valid work authorization only
3–5+ years of Systems Administration or Infrastructure Engineering experience
Hands-on experience administering and troubleshooting F5 BIG-IP/LTM
Experience with Imperva WAF or comparable enterprise Web Application Firewall technologies
Strong Microsoft Windows Server administration experience
Experience administering VMware vSphere environments
Strong understanding of TCP/IP, DNS, HTTP/HTTPS, SSL/TLS, certificates, load balancing, network protocols, and connectivity
Experience troubleshooting multi-tier enterprise applications
Experience with disaster recovery and business continuity
Experience with F5 iRules and Imperva Cloud WAF preferred
Experience with Microsoft IIS and PowerShell preferred
Experience with VMware HA, DRS, vMotion, and infrastructure lifecycle management preferred
Experience with monitoring, vulnerability management, backup, and disaster-recovery technologies preferred
Experience supporting highly available or regulated environments preferred
F5, VMware, Microsoft, or security-related certifications are a plus
Experience with HIPAA, HITRUST, SOC 2, ISO 27001, or similar regulatory and security requirements is a plus

Benefits

Comp & perks

On-call rotation participation as required
Participation in disaster recovery, failover testing, infrastructure monitoring, and capacity management