Sr. IT Services Engineer / Systems Administrator

Senra Systems

$90K — $120K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 3+ years of experience in systems administration or IT infrastructure roles.
  • Strong networking fundamentals including DNS, DHCP, VLANs, VPNs, and firewalls.
  • Hands-on experience with Microsoft 365, Entra ID, Intune, and both Windows and macOS operating systems.
  • Knowledge of identity and access management and endpoint management practices.
  • Experience with audiovisual equipment and production/label printing systems.
  • Effective communicator able to assist diverse users from executives to technicians.
  • Willingness to travel regularly between Redondo Beach and Cypress facilities.

Responsibilities

  • Manage daily IT operations across two facilities.
  • Administer and support Microsoft 365 and core business applications.
  • Troubleshoot production-floor systems to minimize downtime.
  • Maintain corporate and production printing environments.
  • Support audiovisual technology and conference room setups.
  • Manage wired and wireless network infrastructure at both locations.
  • Provision and configure all types of user devices and equipment.
  • Monitor system health and proactively resolve issues before they impact operations.

Benefits

  • Join a friendly, mission-driven team with significant impact opportunities.
  • Equity participation available to own a piece of the company.
  • Comprehensive medical, dental, vision, and disability coverage.
  • 20 vacation days plus 12 company holidays per year.
  • 401(k) plan available for retirement savings.
  • Monthly $50 DoorDash credit and reimbursement for gym memberships.
  • Enjoy free snacks in a fully stocked kitchen and team-building events.
Full Job Description
What You'll Do
  • Manage day-to-day IT operations across our Redondo Beach and Cypress facilities, including hardware, software, networking, identity, endpoints, and user lifecycle management.
  • Administer and maintain Microsoft 365, Entra ID, Intune, Windows/macOS endpoints, servers, cloud infrastructure, and core business applications.
  • Support production-floor technology and troubleshoot systems that directly impact manufacturing operations, minimizing downtime and escalating issues appropriately.
  • Own and maintain the corporate and production printing environment, including standard office printers and specialized label/production printing systems such as Zebra, Brady, and Brother, including connectivity, drivers, print services, configuration, and troubleshooting.
  • Manage and support conference room and audiovisual technology, including Microsoft Teams Rooms, displays, cameras, microphones, room resource accounts, and related meeting-room equipment.
  • Support wired and wireless network infrastructure across both facilities, including switches, wireless access points, VLANs, DHCP/DNS, VPN connectivity, firewalls, and network-connected production devices.
  • Provision, configure, deploy, and maintain laptops, desktops, tablets, mobile devices, kiosks, and shared/production workstations.
  • Set up and support new hires with appropriate equipment, Microsoft 365 licensing, security controls, application access, and access to internal manufacturing systems.
  • Administer identity and access controls, including account provisioning/deprovisioning, MFA, groups, permissions, service accounts, and shared/resource accounts.
  • Monitor system, network, and endpoint health and proactively identify issues before they impact office or manufacturing operations.
  • Maintain endpoint security, patching, backups, disaster recovery, and system configuration standards.
  • Support IT and cybersecurity compliance requirements, including CMMC and NIST SP 800-171, through implementation, documentation, evidence collection, access controls, configuration management, and remediation activities.
  • Maintain accurate documentation of infrastructure, configurations, assets, procedures, troubleshooting steps, and IT policies.
  • Manage IT vendors and service providers and assist with hardware/software procurement, licensing, renewals, and lifecycle management.
  • Provide hands-on technical support across departments and skill levels - from executives and engineers to manufacturing and production technicians.
  • Travel regularly between Senra's Redondo Beach and Cypress facilities to provide onsite support and maintain consistent IT standards across both locations.
  • Take ownership of technical issues from identification through resolution, coordinating with internal teams, vendors, MSPs, and other partners when necessary.
What We're Looking For
  • 3+ years of experience in systems administration, IT infrastructure, or a similar hands-on technical role.
  • Strong knowledge of networking fundamentals, including DNS, DHCP, VLANs, VPNs, firewalls, switching, and wireless networking.
  • Hands-on experience administering Microsoft 365, Entra ID, Intune, Windows, and macOS environments.
  • Experience with identity and access management, endpoint management, security controls, and user lifecycle administration.
  • Experience supporting printers, production/label printing systems, audiovisual equipment, conference rooms, kiosks, and other network-connected devices.
  • Comfortable supporting both corporate users and manufacturing/production-floor technology where system availability directly impacts operations.
  • Strong troubleshooting skills with the ability to independently diagnose issues across endpoints, applications, identity, networking, and peripherals.
  • Excellent communication skills and the ability to support everyone from executives and engineers to production technicians.
  • Comfortable operating with significant autonomy, taking ownership of issues end-to-end, and building scalable processes in a fast-growing environment.
  • Ability to regularly travel between our Redondo Beach and Cypress facilities.
Nice to Have
  • Experience supporting IT in aerospace, defense, manufacturing, or another regulated environment.
  • Familiarity with CMMC, NIST SP 800-171, or similar cybersecurity and compliance frameworks.
  • Experience with AWS or other cloud infrastructure.
  • Experience supporting specialized manufacturing systems, production equipment, or operational technology.

Compensation:
  • Compensation will be based on experience, qualifications, and other job-related factors.
  • Salary Range:$90,000-$120,000
  • This is an onsite position requiring regular presence at both our Redondo Beach, CA and Cypress, CA locations.

Benefits:
  • Unmatched opportunities to drive impact on a friendly and mission-driven team
  • Own a piece of the pie with equity participation!
  • Comprehensive medical, dental, vision, life and long-term disability coverage
  • Flexible Spending Account (FSA) and Dependent Spending Account (DSA) for health-related expenses
  • 20 vacation days per year and 12 company holidays for rest and relaxation
  • a 401(k) plan to set yourself up for retirement
  • Choose a record you love, and we'll add it to our growing vinyl collection!
  • $50/month DoorDash credit - lunch is on us!
  • Up to $100/month reimbursement for gym memberships
  • Fully stocked kitchen with snacks and beverages
  • Regular team-building events, lunches, and the occasional breakfast burrito!
  • Bright, open office with communal spaces for collaboration and free parking
  • Conveniently located near the metro, major freeways and local dining spots


Pay range

$90,000-$120,000 USD

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