Systems Security Administrator III

Iridium is an award-winning and innovative satellite communications company with bragging rights to the only network that offers voice and data connectivity anywhere in the world. For over 20 years, Iridium’s unique network and services have supported critical communications needs for individuals, businesses, and the evolving Internet of Things.At Iridium, we understand the importance of staying connected and the limitations of traditional communications networks. People across the globe, including first responders, humanitarians, global militaries, scientific researchers, and lone workers, as well as ships, aircraft and remote operations all rely on Iridium to stay connected. We take our responsibility for providing these essential communications very seriously and pride ourselves on offering a reliable lifeline when needed. Likewise, Iridium is committed to providing an exciting and innovative workplace, where employees are challenged to think outside the box and collaborate on new, bold ideas and solutions. Our talented teams are passionate about their work and the impact our company makes around the world. Iridium fosters an empowering and inclusive culture that allows employees to genuinely be their best selves. We are looking for others who want to join this truly unique company that celebrates our employees and provides the opportunity to truly make a difference in the world.What We’re Looking For:Iridium is seeking a talented and motivated Systems Security Administrator III to join the Iridium Government and Hosted Payload Services - Engineering & Services Support team. As a Systems Security Administrator III, you’ll independently deliver high-quality work and drive projects and deliverables to completion, including being responsible for the administration and maintenance of computational environments supporting Iridium Government services. In this role, you will focus primarily on configuration, rollout, maintenance, data backup and recovery, performance tuning, security upgrades, patching, and troubleshooting across multiple sites and within the government and cloud environment. You will succeed in this role if you can work both independently and collaboratively, effectively manage priorities, and maintain alignment with the cadence of government projects and cybersecurity efforts.This position requires an active/current Secret Security Clearance or the ability to obtain a Secret Security Clearance (A U.S. Security Clearance that has been active in the past 24 months is considered active).What You’ll Do:Work independently to evaluate and troubleshoot compute systems after STIG’s (Security Technical Implementation Guides) have been appliedInstall, maintain, and upgrade data center infrastructure equipment including Linux servers, Virtual machines, backup and timing systems Analyze and automate processes and procedures that promote rapid response to known issues, both independently and with the teamWork collaboratively with others to monitor networks and equipment daily, responding to alerts and providing on-call supportIdentify, troubleshoot, and resolve problems impacting network access, login functionality, and application availabilityIndependently address trouble tickets, create configuration change orders, and test corrective actionsWhat You’ll Need to Succeed:Bachelor’s degree in Computer Science, MIS, or related field OR equivalent relevant experience in lieu of degree5+ years of relevant experience in the IT and Cyber Security industryCompetent with MS office tools, knowledgeable with ticket tracking systemsDemonstrated expertise in administering and troubleshooting Linux-based systemsExperience with Vmware / vCenter / Netapp & ESXiProven ability to diagnose and resolve database connectivity and access issuesStrong communication skills, with the ability to confidently present products, deliverables, analyses, and/or issuesPossess an analytical mindset, with the ability to understand a situation or problem and think critically to make decisions or come up with solutionsBe comfortable managing upward, including being a proactive communicator and asking for help when neededHave confidence and be able to establish valuable relationships with othersMust be able to prioritize key tasks and have a strong sense of ownership over your workBe active in seeking out ways to continuously improve yourself and gain new knowledgeThings ThatWould beGreatif You Brought to the Table:Experience using Cisco routers and switchesFormer military experience with security clearance supporting cyber security Familiarity working on government contractsExperience working in a telecommunications environmentWe’ll also need you to:Be able to work in the office at least 3 or more days a week to foster collaboration with the team and stakeholdersBe on call, on occasion, to support Iridium and government operationsBe able to travel up to 1 to 2 times per yearBe able to lift and carry normal 1 person lift rated equipment (30-50 lbs)Be a U.S. CitizenWork Environment:This position primarily works in an office setting and is largely sedentary with the majority of the position working with a computer. The role typically requires the use of basic office equipment such as a phone, video, computer, keyboard, mouse, and printer.Iridium is an Equal Opportunity Employer, including individuals with disabilities and protected veterans.

Created: 2026-02-20