IT Systems Administrator

Company shown to members 🔒 · Remote · US only

US only5+ years required$109K–128K/yrPublished 28 September 2026Looks fresh

Apply free: 3 jobs are on us✨ Tailor my resume for this job🎤 Practise the interview question, free

✓ Straight from the company's own careers page. No middlemen, no “we'll send you a check for equipment”. How we check jobs

✓ Sent 100 applications and heard nothing? Make this one count: tailor your resume to this ad in one tap, free.

✨ Not sure this is the one? Get your remote job matches in 30 seconds →

First recorded by Psst: 12 October 2026. Your first 3 jobs are free to apply to (the first right away, 2 more with your email). After that, the company and the apply link are for Psst members, from $4.99 for 7 days.

Free interview practice

Practise the first interview question for this job

If the company replies, the first call usually starts with a question like this. Vague answers are the easiest to reject. Write yours and get an AI score in under a minute.

The 20-second read

Experience
5+ years required
Where you can live
US only
Skills and tools
sql, aws, terraform, linux, saas, documentation
Degree or licence
Mentioned (bachelor's)

Read from the ad by Psst's rules. Check the full ad below before applying.

Job details

Where you can work
United States
Employment type
Not stated by the employer
Advertised pay
$109K–128K/yr
Experience
5+ years required
Employer publication date
28 September 2026
First recorded by Psst
12 October 2026
Last checked at the source
10 November 2026

About the job

Company Overview

The company is a new nuclear energy technology and engineering company whose mission is to enable the world’s transition to clean energy, with the ultimate goal to dramatically improve people’s quality of life while protecting the environment. This goal will be accomplished through the commercialization of the fluoride-salt-cooled, high-temperature reactor (FHR) that can be deployed with robust safety, affordable costs, and flexible operation to accommodate the expansion of variable renewables.

Job Summary

We are seeking an IT Systems Administrator II to support and maintain our cloud, on-premises, and SaaS platforms. This role is responsible for the administration, security, automation, and optimization of enterprise infrastructure across AWS, Microsoft, and on-premises environments.  The successful candidate will partner with business stakeholders and software vendors to support business-critical applications, upgrades, integrations, and implementations while ensuring the reliability, security, and performance of underlying infrastructure and services. The ideal candidate has experience supporting enterprise infrastructure in a regulated environment and embraces an automation-first approach to systems administration, leveraging Infrastructure as Code, scripting, and modern IT operational practices.

Responsibilities

  • Install, configure, administer, maintain, and optimize infrastructure, services, and applications across AWS, SaaS, and on-premises environments.
  • Administer and support Microsoft Windows Server, Active Directory, Microsoft Entra ID, Microsoft 365, DNS, DHCP, file services, identity management, and Single Sign-On (SSO) integrations.
  • Develop, maintain, and improve automation and Infrastructure as Code (IaC) solutions using Terraform, Ansible, CloudFormation, PowerShell, or similar technologies
  • Monitor system health, performance, security, and availability; investigate and troubleshoot complex infrastructure, cloud, identity, and application issues.
  • Implement and maintain security controls, patch management, vulnerability remediation, and least-privilege access practices.
  • Provide technical support for business-critical enterprise applications and collaborate with business stakeholders and software vendors to support operations, integrations, upgrades, and implementations.
  • Participate in change management activities and support application and infrastructure deployments, migrations, testing, upgrades, and production changes.
  • Create and maintain technical documentation, standards, procedures, and knowledge base articles.
  • Provide technical guidance and  knowledge sharing to employees and junior IT staff.
  • Other duties as assigned.

Qualifications

  • 5+ years of progressively responsible experience as a Systems Administrator, Cloud Administrator, Site Reliability Engineer, or similar role in a complex enterprise environment
  • Strong experience administering Microsoft Windows Server environments, Active Directory, Microsoft Entra ID, Microsoft 365 services, identity management, and SSO integrations,
  • Working knowledge of Linux server administration in AWS and hybrid-cloud environments
  • Demonstrated experience administering AWS infrastructure, including services such as EC2, IAM, VPC, Route 53, Systems Manager, FSx, CloudWatch, and related AWS technologies
  • Strong scripting and automation experience using PowerShell and AWS CLI
  • Experience supporting SaaS, cloud-native, hybrid-cloud, and on-premises applications and infrastructure
  • Bachelor's degree in Computer Science, Information Technology, or related field preferred
  • 8+ years of overall IT experience is preferred
  • Terraform and Ansible experience is preferred
  • Nutanix AHV administration experience is preferred
  • Advanced Microsoft Windows Server and Active Directory administration experience is preferred
  • Experience supporting application integrations, APIs, SQL databases, and reporting platforms is preferred
  • Experience working with software vendors during upgrades, implementations, and troubleshooting efforts is preferred
  • Experience supporting engineering, manufacturing, laboratory, or quality-focused organizations is preferred
  • Experience working in high-growth organizations undergoing technology transformation is preferred
  • Prior work experience in a fast-paced, high-growth startup is preferred

Knowledge, Skills & Abilities

  • Working knowledge of networking, databases, backup and recovery, and disaster recovery concepts
  • Strong understanding of cybersecurity principles, vulnerability management, patch management, and security best practices
  • Excellent troubleshooting, communication, and documentation skills
  • Resourceful problem-solver with a service-oriented mindset and the ability to thrive in a fast-paced environment
  • Knowledge of cloud and hybrid infrastructure administration principles, including AWS, Microsoft, SaaS, and on-premises environments
  • Knowledge of Infrastructure as Code (IaC), configuration management, scripting, and systems automation practices
  • Knowledge of identity and access management principles, including Active Directory, Microsoft Entra ID, Single Sign-On, and least-privilege access
  • Ability to monitor and assess system health, performance, availability, and capacity across enterprise infrastructure and services
  • Knowledge of change management practices related to infrastructure and application deployments, migrations, upgrades, and production changes
  • Ability to support and coordinate application integrations, implementations, and upgrades across internal stakeholders and third-party vendors
  • Ability to develop and maintain technical standards, procedures, and system administration documentation
  • Ability to provide technical guidance and knowledge sharing to employees and less-experienced IT staff

Physical Demands

  • Remaining in a stationary position, often standing, or sitting for prolonged periods
  • Communicating with others to exchange information

Environmental Conditions

  • General office environment
  • Noisy environments
  • Prototyping/Test Facilities
  • Manufacturing/Industrial Environments

Travel

  • Some travel may be required, up to 5%

Additional Requirements

  • Occasionally requires working weekends
  • Occasionally requires extended hours to support system maintenance, deployments, upgrades, and critical incidents

The salary range for this position is $108,700 to $127,900 for employees working onsite at our Alameda, CA headquarters. The range provided in this job posting represents the typical range or starting rate of candidates hired in California. Factors that maybe used to determine your actual salary may include your education, experience, knowledge, skills, ability and the market data for your work location, and a comparison to other employees already in the role.

#LI-Remote

About our Benefits

We know that we have some of the most talented and dedicated employees, and we believe in rewarding them accordingly. If you work here, full-time employees (excludes interns) expect to have access to the benefits below:

  • Competitive compensation packages
  • Medical, dental and vision benefits for employees and their dependents
  • Paid Vacation
  • 401(k) and pre-tax health insurance, dependent care, and commuter benefits (FSA)

The company is committed to building a diverse workforce that reflects the communities where we do business. The company is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. We actively welcome people of different experiences, abilities, and perspectives.

The company participates in E-Verify.

Candidates only, no recruiters or agencies please.

Note: You are applying for a position that is located in a facility that handles information that is subject to export control restrictions by the Department of Energy under 10 CFR Part 810. To work in this facility, you need to be authorized by the Department of Energy to access Part 810-controlled information. Foreign nationals who are citizens of countries that are not on the Department of Energy’s general authorization list (link below) are not permitted to work in our facility unless the Department of Energy issues an export control license to the company to permit that individual to have access to Part 810-controlled information. The following questions are intended to determine the licensing requirements that may apply. [link for members]

Apply free: 3 jobs are on us✨ Tailor my resume for this jobPrepare with the Apply kitMore remote systems and network administrator jobs →

Find my remote job matches →
Ghost Job Detector: Looks fresh

Posted recently with nothing unusual.

Signals, not proof. Check the company's page before you spend time on it.
Free to build · no sign-up

A resume that gets past the first 6 seconds

Recruiters skim. The Psst resume coach fixes what makes them skip you, line by line, and one tap tailors it to the exact job you're applying to.

  • 1Every line checkedWeak starts, clichés and AI-sounding phrases flagged, with a 3-question fix.
  • 2Tailored to the jobSee which skills and tools from the ad your resume is missing. Try it free on one of your matches.
  • 3Ready for remoteTime zone, tools and proof you work on your own, the things remote teams look for.
  • 4Looks the partOne page, 6 designs, 8 colours and a matching cover letter, free to build. Premium downloads the PDF and Word files.
Try the resume coach →Compare Premium

Set up your job alert