Senior Systems Administrator

JoshCo Group LLC

$98K — $105K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of experience in system administration or IT operations.
  • Strong hands-on experience in multi-site environments.
  • Working knowledge of Windows Server and Linux administration.
  • Experience with AWS and Azure.
  • Ability to troubleshoot networking issues and manage firewalls, VPNs, and routing.

Responsibilities

  • Serve as the Tier 3 escalation point for complex Help Desk issues.
  • Install and maintain physical, virtual, and cloud-hosted systems.
  • Administer Windows, Linux, VMware, AWS, and Azure environments.
  • Partner with DevOps teams to integrate infrastructure into CI/CD pipelines.
  • Implement security strategies and support compliance efforts.

Benefits

  • Flexibility to work from home based on business needs.
  • Monday - Friday 8 a.m. to 5 p.m. work schedule.
  • Comprehensive choice of Medical, Vision, and Dental plans.
  • In-house training and opportunities for professional growth.
Full Job Description
We are seeking a Senior System Administrator to serve as a key connector between Support Services, DevOps, and IT Security. This role ensures secure, reliable, and efficient IT operations across our multi-site environment, including Las Vegas HQ and the San Diego office.

The ideal candidate brings strong hybrid infrastructure experience, a proactive approach to automation and security, and the ability to lead Tier 3 support, network operations, cloud administration, and compliance efforts in a fast-moving organization.

What do we offer:

We invest in our people, supporting their growth through mentorship and professional development. We strive to offer a work-life balance, creating a culture that is people-focused and fun. Here are some of the benefits you can expect as part of our team:
  • Work from home: Flexibility to work from home based on business needs and policies.
  • Work/life balance: We offer a Monday - Friday 8 a.m. to 5 p.m. schedule.
  • Benefits: Choice of Medical, Vision, and Dental plans with company premium contributions, vacation and sick time, 8 paid holidays plus a floating holiday, 401k with company match after 90 days & other ancillary benefits.
  • Growth and development: In-house training and on-the-job development prepare our employees for promotional advancement, leadership opportunities, and lateral transfer skill development.


**This position is based in our Las Vegas, NV office and requires in-person attendance due to the collaborative nature of the work.**

Requirements

Essential functions:

Reasonable accommodation may be made to enable individuals with disabilities to perform essential functions. ?

Support Services and end-user experience
  • Serve as the Tier 3 escalation point for Help Desk, resolving complex issues across multiple sites.
  • Define, track, and report SLA/KPI metrics such as uptime, resolution time, and user satisfaction.
  • Mentor Support Services staff and help cross-train San Diego users on basic IT support functions.


Infrastructure and cloud operations
  • Install, configure, and maintain physical, virtual, and cloud-hosted systems, including servers, desktops, laptops, firewalls, switches, routers, access points, and VPNs.
  • Administer Windows Server, Windows 10/11, Linux, VMware, Hyper-V, AWS, and Azure environments.
  • Design and maintain infrastructure as code using Terraform, CloudFormation, or similar tools.
  • Own and optimize network infrastructure, including LAN/Wi-Fi equipment and FortiGate SD-WAN and VPN services.


DevOps and automation
  • Partner with DevOps teams to integrate infrastructure into CI/CD pipelines.
  • Support containerized workloads using Docker and Kubernetes.
  • Automate patching, deployment, configuration, and device management using Ansible, Intune, JAMF, and scripting tools such as PowerShell, Bash, and Python.
  • Support release readiness, environment preparation, and rollback planning.


Security and compliance
  • Work with Security to implement Zero Trust and micro-segmentation strategies.
  • Integrate and maintain EDR and SIEM tools for monitoring and response.
  • Support compliance efforts aligned with NIST, CIS v8, ISO 27001, and SOC 2.
  • Lead vulnerability remediation and penetration test follow-up.
  • Manage role-based access and identity governance in Azure AD / Entra ID.
  • Coordinate with Facilities on physical security systems, including door access and cameras.


Disaster recovery and monitoring
  • Implement and validate backups for cloud and on-premises systems.
  • Support cloud-to-cloud SaaS backup solutions for Microsoft 365 and Salesforce.
  • Participate in business continuity exercises and maintain recovery documentation.
  • Use observability tools and external monitors to identify issues early and support automated remediation where possible.


Documentation and asset management
  • Maintain clear technical documentation, diagrams, SOPs, and knowledge base articles.
  • Track hardware and software inventory throughout the lifecycle.


Communication and collaboration
  • Support reliable communication platforms such as Microsoft Teams, RingCentral, and Zoom.
  • Collaborate with Support, DevOps, Security, Engineering, Product, and Data teams to align IT services with business needs.


Operational Excellence & Efficiency
  • Oversee daily pod operations and manage the flow of claims to ensure timely and accurate processing.
  • Identify and implement process improvements to streamline workflows, reduce bottlenecks, and increase efficiency.
  • Maintain quality standards and service level expectations.
  • Develop contingency plans to address potential operational disruptions.


Budget Management & Financial Oversight
  • Monitor operational budgets and identify cost-saving opportunities.
  • Assist with budget forecasting, expense tracking, and financial planning.
  • Optimize resource allocation to maximize productivity and control costs.


Performance Monitoring & Reporting
  • Track daily, monthly, and ad hoc KPIs to identify trends and measure performance.
  • Prepare and present production reports to senior leadership.
  • Support performance reviews by providing data-driven insights and recommendations.


Staff Management & Development
  • Lead, coach, and mentor team members to improve performance and support professional growth.
  • Partner with managers to recruit, onboard, and develop new hires.
  • Address performance concerns and support corrective action planning.
  • Foster a positive, accountable, and productive team environment.


Compliance & Risk Management
  • Ensure compliance with company policies, procedures, and regulatory requirements.
  • Protect sensitive information and maintain data security.
  • Identify and mitigate operational risks that could affect pod performance.


Collaboration & Communication
  • Work closely with managers, senior operations leaders, and cross-functional teams to support shared goals.
  • Build positive relationships with internal stakeholders, clients, and vendors.
  • Serve as a professional and credible leader who makes sound business decisions.


Qualifications and Competencies:
  • Strong hands-on experience in multi-site environments.
  • Working knowledge of Windows Server and Linux administration.
  • Experience with AWS and Azure.
  • Familiarity with VMware and Hyper-V.
  • Strong networking knowledge, including Wi-Fi, VPN, routing, switching, and firewall administration.
  • Experience with automation tools and scripting.
  • Experience supporting CI/CD, Docker, and Kubernetes in an operational environment.
  • Strong understanding of security tools, backup systems, and compliance frameworks.
  • Excellent troubleshooting, communication, and collaboration skills.


Preferred qualifications
  • CompTIA Security+, AWS SysOps Administrator, AWS DevOps Engineer, MCSA, CISSP, or CKA.
  • Bachelor's degree in Computer Science, Information Systems, Engineering, or related field, or equivalent experience.


Experience Requirements
  • 5+ years of experience in system administration, hybrid cloud management, or IT operations.


Education
  • Bachelor's degree in Business Administration, Operations Management, Finance, or a related field required.
  • MBA or other advanced degree preferred.
  • Certifications such as PMP, Lean Six Sigma Green/Black Belt, or Certified Manager (CM) are a plus.


Salary Description

$98,000 to $105,000

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