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Infleqtion is a global quantum technology company solving the world's most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading-edge commercial products, Infleqtion enables "quantum everywhere" through our ecosystem of devices and platforms.
Location
Infleqtion has six office locations, operating out of Boulder/Louisville, CO; Madison, WI; Chicago, IL; Oxford, UK; and Melbourne, AU. This position is a full-time, on-site role located in our Louisville, CO office.
Position Summary
Infleqtion is seeking an experienced, customer-focused Senior IT Service Desk Analyst to provide advanced cross-platform technical support and serve as the primary white-glove support lead for the Executive Leadership Team. This senior individual contributor will resolve complex escalations, support business and engineering environments, coordinate high-impact incidents, and improve service quality through documentation, automation, and knowledge sharing.
The ideal candidate combines broad technical expertise with discretion, sound judgment, calm communication, and end-to-end ownership.
Key Responsibilities
- Serve as the senior service desk escalation point and primary white-glove ELT support lead, anticipating meeting, travel, calendar, device, connectivity, and access needs.
- Support Windows, Ubuntu/Linux, macOS, mobile devices, telephony, and company-managed endpoints; provision laptops, loaners, peripherals, engineering workstations, and lab computers.
- Troubleshoot Ubuntu/Linux, WSL, dual-boot systems, GRUB, kernels, Secure Boot, drivers, Bash, SSH, packages, permissions, DNS, VPN, remote access, displays, docks, and application licensing.
- Administer approved Active Directory, Microsoft Entra ID, Microsoft 365, Exchange, Outlook, Teams, SharePoint, OneDrive, mailbox, calendar, distribution-group, password-management, MFA, SSO, licensing, and permission requests.
- Resolve network, Wi-Fi, DNS, DHCP, VPN, certificate, remote-access, and connectivity issues across supported operating systems and company locations.
- Install and troubleshoot business, engineering, scientific, development, and laboratory applications, including administrative approvals, dependencies, specialized drivers, license services, and vendor coordination.
- Support hardware, printers, scanners, meeting rooms, audiovisual systems, cameras, displays, docks, USB and serial devices, laboratory peripherals, and other technical equipment.
- Triage phishing, quarantined email, suspicious activity, endpoint-security issues, encryption, and access concerns while following security and change controls.
- Coordinate onboarding, offboarding, equipment assignment, account readiness, software access, employee changes, hardware replacement, warranty, recovery, and asset-return activities.
- Coordinate service desk response during high-impact incidents; document business impact, evidence, actions, workarounds, escalation needs, and verified restoration.
- Maintain complete ticket records, knowledge articles, build procedures, runbooks, and known fixes; identify recurring issues and opportunities for standardization, scripting, automation, and self-service.
- Serve as a technical resource for other service desk staff and share practical cross-platform troubleshooting knowledge.
Requirements
- Five or more years of progressively responsible IT support experience, including senior service desk, Tier 2, desktop support, or equivalent technical work.
- Demonstrated experience providing discreet, high-touch support to executives or other high-visibility users.
- Advanced Windows and Ubuntu/Linux endpoint support experience, with working macOS and mobile-device support experience.
- Hands-on Linux skills covering command-line troubleshooting, packages, permissions, services, logs, filesystems, networking, SSH, kernels, boot recovery, drivers, WSL, and dual-boot systems.
- Experience supporting Microsoft 365, Active Directory or Entra ID, identity and access, MFA, SSO, endpoint management, file collaboration, email, calendars, VPN, DNS, and certificates.
- Experience supporting specialized business, engineering, scientific, or laboratory applications and equipment.
- Experience using ITSM, remote-support, endpoint-management, mobile-device-management, monitoring, and asset-management platforms.
- Strong troubleshooting, documentation, prioritization, customer-service, and technical communication skills.
Preferred Qualifications
- Experience with PowerShell, Bash, Python, APIs, or support-process automation.
- Familiarity with virtualization, Hyper-V, development environments, source-control platforms, and remote Linux administration.
- Experience supporting meeting-room technology, telephony, international travel, and multiple office locations.
- Experience in an export-controlled, research, laboratory, engineering, or manufacturing environment.
- Relevant certifications such as ITIL Foundation, Microsoft, Linux+, RHCSA, LPIC, HDI, CompTIA Network+, Security+, or equivalent demonstrated expertise.
Soft Skills
- Professional, discreet, and customer-first approach with strong executive presence.
- Calm, concise communication and sound judgment during urgent or high-impact situations.
- Strong ownership, attention to detail, follow-through, and ability to manage competing priorities.
- Collaborative mindset with a commitment to knowledge sharing and continual service improvement.
Working Conditions and Physical Requirements
This position may require access to information protected under U.S. export control laws and regulations, including the Export Administration Regulations and the International Traffic in Arms Regulations. Any offer for employment may be conditioned on authorization to receive software or technology controlled under these laws and regulations without sponsorship for an export license.
Work will normally be performed in an office and laboratory environment and around technical equipment, including computers and lasers. Able to sit, stand, bend, lift, and carry up to 40 pounds without assistance. Able to use automated office equipment and communicate effectively by phone, computer, and in person. Required Personal Protective Equipment will be provided and must be used in accordance with company requirements.
Benefits

• Salary Range: per year 75000-90000
• 100% company-paid medical, dental, vision, short/long-term disability
• Employer-funded Health Savings Account
• Unlimited PTO
• 401(k) match
• Company-paid Life and AD&D Insurance
• Flexible Savings Account
• Paid FMLA, Maternity/Paternity Leave
• Employee Assistance Program
• Student Loan Repayment
• Equity Program

Notice to Recruitment Agencies:
Infleqtion does not accept unsolicited resumes from agencies. Infleqtion is not responsible for any fees related to unsolicited resumes.