Demo

Onsite IT Systems Administrator / IT Support Specialist

Melissa
Rancho Santa Margarita, CA Full Time
POSTED ON 8/20/2026
AVAILABLE BEFORE 9/17/2026
Melissa is a global data quality technology company which provides address verification, data quality solutions and software among other services. We are looking for a dedicated and energetic individual with Windows, Linux, server hardware and desktop administration skills to manage Windows, Linux and Hyper-V systems.

Requirements/Job Qualifications:
  • Provides technical support to on-prem and remote users with their office desktop machines or remote access through VPN.
  • Install and configure servers and desktop hardware, peripheral devices, software, including MS Office.
  • Troubleshoot hardware and software issues, including printers and scanners. Maintain computer systems, including updates and backups.
  • Working knowledge on 11th through 15th generation Dell servers, PERC, Hardware RAID controllers, RAID configuration.
  • Keep inventory of all hardware and software.
  • Windows Active Directory, MS Exchange new accounts creation and maintenance.
  • Package management – to upgrade and patch applications in the Ubuntu environment.
  • Excellent understanding and experience with both Windows and Linux (preferably Ubuntu or other Debian based distributions).
  • Good written/verbal communication and problem-solving skills.
  • Strong interpersonal skills and team player.
  • Ability to receive alerts and communicate with offshore staff as needed to maintain systems on a 24/7 basis.
  • Working knowledge of security technologies, firewalls, anti-malware agents and security logging/tracing.
  • Knowledge about cloud platforms such as AWS and Azure is a plus.

Job Duties:
  • Install Windows, Linux and Hyper-V on Dell servers.
  • Administration of Windows and Linux Systems with periodic updates.
  • Install and configure desktop machines for new users.
  • Assist IT manager monitoring and troubleshooting of web services including weekly web services updates.
  • Work with vendors to resolve technical problems with desktop computing equipment and software.
  • Install, configure and firmware update HP / Aruba Ethernet switches.
  • Troubleshoot and fix Dell servers’ hardware problems, replace parts as needed.
  • Install desktop operating systems and MS Office application for on-prem and remote users
  • Troubleshoot and fix users’ desktops PCs running Windows or Linux.
  • Participate in SOC2, ISO 27001 and FedRAMP compliance by following established procedures, maintaining documentation and providing evidence to auditors as needed.
  • Be on call after hours and weekends.

Compensation: Pay range: $35.00 to $55.00 depending on experience.

Benefits & Perks:
  • Competitive salary.
  • 401(k) with company match.
  • Medical, dental, and vision insurance.
  • Flexible Spending Account.
  • Life insurance, including company provided coverage.
  • Paid Holidays and personal time off.
  • Educational assistance.
  • Office lunch on select weekdays.
  • Haircuts and manicures.
  • Workout classes and yoga with personal trainer.
  • Onsite EV charging.

Only local candidates will be considered as this is a full time on-site position that requires hands-on work with desktop pc’s and servers.

How Do I Apply?
Go to https://www.melissa.com/jobs/jobapply.aspx. Please note that any self-identification information provided during the application process is confidential and will not be shared with hiring managers.
  • Provide your resume in PDF.
  • Include LinkedIn profile if available.
  • No phone calls or recruiters please.

Alternatively, you can email the above information to jobs@melissa.com

This employer participates in E-Verify and will provide the federal government with your Form I-9 information.  https://www.e-verify.gov/sites/default/files/everify/posters/EVerifyParticipationPoster.pdf

This employer may order an investigative consumer report on you from an investigative consumer reporting agency for employment purposes. Such reports may contain information about your character, general reputation, personal characteristics, and mode of living. As allowed by law, the reports may contain information regarding the following: criminal history; driving records; verification of your employment history, licenses, credentials and education; credit reports and history; government watch lists; address history; Social Security number validation; and other background checks.

Melissa is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, sex, sexual orientation, gender identity, national origin, disability, or protected Veteran status. https://www.eeoc.gov/know-your-rights-workplace-discrimination-illegal

This Contractor and Subcontractors shall abide by the requirements of 41 CFR 60-300.5(A). This regulation prohibits discrimination against qualified protected veterans, and requires affirmative action by covered prime contractors and subcontractors to employ and advance in employment qualified protected veterans. We are a government contractor.

Salary : $35 - $55

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