System Administrator
TEKsystems, Honolulu, HI, United States
Aloha! TEKsystems has partnered with one of Hawaii's premier staffing agencies to assist in identifying an experienced System Administrator to manage, maintain, and operate their IT infrastructure. This role is responsible for the reliability, performance, and day‑to‑day operation of on‑premises and virtualized environments, including VMware vSphere, Windows and Linux servers, advanced firewalls, VPNs, and Web Application Firewalls (WAFs). The ideal candidate is hands‑on, operationally strong, and comfortable supporting business‑critical systems.
Key Responsibilities
Infrastructure & Systems Management
Administer and maintain VMware vSphere infrastructure, including host management, VM provisioning, performance tuning, and capacity planning.
Install, configure, manage, and support Windows Server environments (Active Directory, DNS, DHCP, Group Policy, file and print services).
Administer and support Linux servers (e.g., RHEL, Ubuntu, or equivalent).
Perform system patching, upgrades, maintenance, and lifecycle management.
Monitor system health, availability, and performance; troubleshoot and resolve infrastructure issues.
Plan and execute infrastructure upgrades and improvements.
Network & Platform Operations
Configure, manage, and maintain advanced firewalls (e.g., next‑generation firewalls), including rule sets, NAT, routing, and logging.
Administer VPN solutions (site‑to‑site and remote access).
Manage and maintain Web Application Firewalls (WAFs) to support application availability and protection.
Maintain reliable network connectivity across environments.
Backup, Recovery & Reliability
Implement and maintain backup and disaster recovery solutions.
Perform backup validation, restore testing, and disaster recovery exercises.
Ensure system availability, redundancy, and recoverability.
Automation, Documentation & Support
Develop and maintain scripts or automation using PowerShell, Bash, or similar tools.
Create and maintain system documentation, diagrams, and operational runbooks.
Provide Tier 2 / Tier 3 support for infrastructure‑related incidents and service requests.
Participate in on‑call rotations and scheduled after‑hours maintenance.
Required Qualifications
5+ years of experience in a System Administrator or infrastructure‑focused role.
Strong hands‑on experience with VMware vSphere.
Strong experience administering Windows Server environments.
Solid experience administering Linux servers.
Experience managing enterprise‑grade firewalls, VPNs, and WAFs.
Strong understanding of networking fundamentals (TCP/IP, routing, DNS, VLANs).
Experience with monitoring and troubleshooting complex systems.
Preferred Qualifications
Experience in enterprise or hybrid IT environments.
Scripting or automation experience (PowerShell, Bash, Python).
Experience working in highly available or business‑critical systems.
Relevant certifications (VMware, Microsoft, Linux, networking).
Soft Skills
Strong troubleshooting and analytical skills.
Ability to prioritize and manage multiple tasks.
Clear communication with both technical and non‑technical stakeholders.
Detail‑oriented with strong documentation habits.
Job Type & Location
This is a permanent position based out of Honolulu, HI. This is a fully onsite position in Honolulu, HI.
Pay And Benefits
Pay range: $85,000.00 – $102,000.00 per year.
Company‑paid medical and dental insurance.
Vacation and holiday pay.
401(k) retirement plan with employer matching.
Group Life Insurance.
Tuition Assistance Program.
Credit union membership.
Corporate discounted membership at 24HR Fitness & UFC Gym.
Corporate discounts with AAA and car rental agencies.
Entertainment discounts including movie tickets, Universal Studios, Disneyland, and more.
Equal Opportunity Employer
The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
Application Deadline
This position is anticipated to close on May 1, 2026.
#J-18808-Ljbffr
Key Responsibilities
Infrastructure & Systems Management
Administer and maintain VMware vSphere infrastructure, including host management, VM provisioning, performance tuning, and capacity planning.
Install, configure, manage, and support Windows Server environments (Active Directory, DNS, DHCP, Group Policy, file and print services).
Administer and support Linux servers (e.g., RHEL, Ubuntu, or equivalent).
Perform system patching, upgrades, maintenance, and lifecycle management.
Monitor system health, availability, and performance; troubleshoot and resolve infrastructure issues.
Plan and execute infrastructure upgrades and improvements.
Network & Platform Operations
Configure, manage, and maintain advanced firewalls (e.g., next‑generation firewalls), including rule sets, NAT, routing, and logging.
Administer VPN solutions (site‑to‑site and remote access).
Manage and maintain Web Application Firewalls (WAFs) to support application availability and protection.
Maintain reliable network connectivity across environments.
Backup, Recovery & Reliability
Implement and maintain backup and disaster recovery solutions.
Perform backup validation, restore testing, and disaster recovery exercises.
Ensure system availability, redundancy, and recoverability.
Automation, Documentation & Support
Develop and maintain scripts or automation using PowerShell, Bash, or similar tools.
Create and maintain system documentation, diagrams, and operational runbooks.
Provide Tier 2 / Tier 3 support for infrastructure‑related incidents and service requests.
Participate in on‑call rotations and scheduled after‑hours maintenance.
Required Qualifications
5+ years of experience in a System Administrator or infrastructure‑focused role.
Strong hands‑on experience with VMware vSphere.
Strong experience administering Windows Server environments.
Solid experience administering Linux servers.
Experience managing enterprise‑grade firewalls, VPNs, and WAFs.
Strong understanding of networking fundamentals (TCP/IP, routing, DNS, VLANs).
Experience with monitoring and troubleshooting complex systems.
Preferred Qualifications
Experience in enterprise or hybrid IT environments.
Scripting or automation experience (PowerShell, Bash, Python).
Experience working in highly available or business‑critical systems.
Relevant certifications (VMware, Microsoft, Linux, networking).
Soft Skills
Strong troubleshooting and analytical skills.
Ability to prioritize and manage multiple tasks.
Clear communication with both technical and non‑technical stakeholders.
Detail‑oriented with strong documentation habits.
Job Type & Location
This is a permanent position based out of Honolulu, HI. This is a fully onsite position in Honolulu, HI.
Pay And Benefits
Pay range: $85,000.00 – $102,000.00 per year.
Company‑paid medical and dental insurance.
Vacation and holiday pay.
401(k) retirement plan with employer matching.
Group Life Insurance.
Tuition Assistance Program.
Credit union membership.
Corporate discounted membership at 24HR Fitness & UFC Gym.
Corporate discounts with AAA and car rental agencies.
Entertainment discounts including movie tickets, Universal Studios, Disneyland, and more.
Equal Opportunity Employer
The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
Application Deadline
This position is anticipated to close on May 1, 2026.
#J-18808-Ljbffr