Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

System Administrator (90221)

Penhall Company

Senior System Administrator

Position Description

The Senior Systems Administrator will serve as a critical member of Penhall's IT team, responsible for maintaining and enhancing the companys IT infrastructure, both on-premises and in the cloud. This role will focus on ensuring high system availability, top-tier support, and adherence to IT best practices while delivering efficient and scalable solutions. The position requires expertise in system administration, cybersecurity, and process automation, with the ability to manage multiple priorities in a fast-paced environment.

Duties and Responsibilities:

  • Manage and administer on-premises and cloud-based IT infrastructure, including networking, servers, Active Directory, Azure, Microsoft 365, Track IT, and cybersecurity programs.
  • Serve as the highest escalation point for IT-related challenges, engaging with vendors and troubleshooting complex issues.
  • Design, implement, and optimize systems maintenance plans, including system performance monitoring, patching, and disaster recovery testing, with a focus on automation and improvement opportunities.
  • Champion cybersecurity best practices, including multi-factor authentication (MFA), least-privilege access, conditional access, and secure system configurations.
  • Lead efforts to replace or upgrade existing systems and align IT infrastructure with business goals.
  • Maintain and document IT processes, policies, and systems configurations (e.g., network diagrams, patch management, disaster recovery, security measures).
  • Configure and manage firewalls, switches, wireless access points, VPNs, and other networking devices.
  • Monitor, analyze, and act on system and security alerts, including those from Proofpoint and CrowdStrike platforms.
  • Deploy and manage backup and recovery solutions, ensuring data integrity and business continuity.
  • Create, maintain, and optimize PowerShell scripts and other automation tools to streamline repetitive IT tasks.
  • Conduct regular network audits and implement corrective measures as needed.
  • Manage and implement endpoint configuration tools, such as Automox, to ensure systems are secure and compliant.
  • Provide exceptional customer support to internal stakeholders and assist in resolving IT-related issues in a timely manner.
  • Author and maintain technical documentation using tools such as Microsoft Visio, Word, and PowerPoint.
  • Stay informed of emerging IT trends and technologies and recommend relevant solutions for Penhalls needs.
  • Provide training, guidance, and mentorship to junior team members and support staff.
  • Perform other related duties as assigned by the manager.

Position Requirements

Required Skills and Abilities:

  • Proficiency in Microsoft 365 ecosystem, including Exchange Online, Teams, SharePoint, and OneDrive.
  • In-depth knowledge of Azure AD, including SSO, conditional access, synchronization methods, and group policy management.
  • Expertise in cybersecurity measures, including endpoint protection, encryption, intrusion detection, and secure configurations.
  • Strong experience with cloud platforms, particularly Azure, and performing premise-to-cloud migrations.
  • Advanced skills in PowerShell scripting and other automation tools.
  • Proficiency in managing virtualization platforms such as VMware or Azure.
  • Networking expertise, including DHCP, DNS, VLANs, and troubleshooting using packet capture tools.
  • Familiarity with enterprise backup solutions like Veeam and storage systems, including SAN and iSCSI technologies.
  • Strong written and verbal communication skills, with the ability to convey technical information to non-technical stakeholders.

Essential Core Competencies:

  • Problem Solving: Ability to efficiently diagnose and resolve technical issues.
  • Critical Thinking: Anticipates potential IT challenges and develops proactive solutions.
  • Attention to Detail: Ensures accuracy in configurations, updates, and documentation.
  • Communication Skills: Clearly explains technical concepts to stakeholders and creates comprehensive documentation.
  • Team Collaboration: Works effectively with IT, development, and operations teams to achieve infrastructure goals.
  • Customer Service Orientation: Delivers timely and effective support to end-users and stakeholders.
  • Adaptability: Responds to evolving technologies and organizational priorities with flexibility.

Education and Experience:

  • Bachelors degree in Computer Information Systems or a related field, or equivalent experience and certifications.
  • Minimum of 5+ years of systems administration experience in an enterprise environment.
  • Certifications such as Microsoft 365 or MCSE are preferred.

Physical Requirements:

  • Prolonged periods of sitting at a desk and working on a computer.
  • Must be able to lift up to 15 pounds at times.
  • Ability to walk job sites when necessary.
  • May be required to travel to job sites and other locations.

Equal Opportunity Employer

Legal Disclaimer:

Reasonable accommodations may be made to enable individuals with disabilities to perform the essential

functions of the job.

Penhall Company is an Equal Opportunity Employer and does not discriminate against any employee or applicant for employment because of race, color, sex, age, national origin, religion, sexual orientation, compensation inquiries, discussions or disclosures, gender identity and/or expression, status as a veteran, and basis of disability or any other federal, state or local protected class. (41 CFR 60-1.4(a), 60-300.5(a) and 60-741.5(a))

This job description is intended to describe the general nature and level of work being performed by employees in this position. It is not intended to be an exhaustive list of all duties, responsibilities, or qualifications required. Penhall Company reserves the right to modify, add, or remove duties and to assign other responsibilities as necessary.

AI-Assisted Hiring and Automated Decision Tool Disclosure

The Company may use Artificial Intelligence (AI), machine learning technologies, and/or automated decision-making tools to assist in certain aspects of the recruitment and hiring process, including reviewing applications, resumes, assessments, and candidate qualifications. These tools are used to support the evaluation process and are not used as the sole basis for employment decisions.

All employment decisions are ultimately made by qualified Company representatives. The Company maintains human oversight of hiring decisions and does not permit automated systems to make final employment determinations independently.

The Company is committed to equal employment opportunity and to complying with all applicable federal, state, and local employment, privacy, and anti-discrimination laws. The Company does not intentionally use AI systems in a manner that unlawfully discriminates against applicants or employees based on any protected characteristic under applicable law.

Applicants may request reasonable accommodations, alternative evaluation methods, or additional information regarding the Companys use of automated tools by contacting Human Resources.

Where required by applicable law, the Company may provide additional notices regarding the use of automated decision-making tools, data practices, retention periods, or bias audit information.

PI4c5f77722f33-38[phone removed]

Vacancy posted 3 days ago
Similar jobs that could be interesting for youBased on the System Administrator (90221) in Compton, CA vacancy
  • Overview We are seeking an experienced and detail‑oriented Pelco System Administrator to oversee, manage, and ensure the optimal and secure operation of our Pelco video security systems. The successful candidate will have hands‑on experience with Pelco surveillance products... 
    Suggested
    For contractors
    Local area

    Hustler Casino

    Gardena, CA
    1 day ago
  •  ...Senior System Administrator The Senior System Administrator's role is to administer Pipeline Health's computer systems to ensure high levels of availability and security of the supported business applications. This individual participates in the planning and implementation... 
    Suggested
    Local area

    East Los Angeles Doctors Hospital

    Gardena, CA
    2 days ago
  • Communityhospitalhp in Gardena, CA is seeking a Senior System Administrator to manage and secure its IT systems. This role ensures high availability of applications and serves as a liaison between hospital management and IT. Qualified candidates will have at least seven... 
    Suggested

    Communityhospitalhp

    Gardena, CA
    1 day ago
  • $133.5k - $190.05k

     ...National Laboratory this summer, with initial customer deliveries beginning in 2028.About the Role:Radiant is seeking a Senior Systems Administrator to own the systems that keep the company running day-to-day within Microsoft 365 GCC High. You'll own the tenant, build our... 
    Suggested
    Full time
    Work experience placement
    Summer work
    Work at office
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant Industries

    El Segundo, CA
    2 days ago
  • $103k - $155k

     ...responsible for the full scope of computing infrastructure, end-user systems, servers, virtualization, cloud, networking, software...  ...test, and engineering operationsTake ownership of Linux systems administration—deploying, configuring, automating, and maintaining... 
    Suggested

    Relativity Space

    Long Beach, CA
    9 hours ago
  • Overview Position: Systems/Network Administrator for HUSTLER Casino and Lucky Lady Casino Location: Two casinos in Gardena Benefits: Medical, Dental, Vision, 401(K), vacation and sick time, paid holidays. This position is ideal for a highly motivated individual with expertise... 

    Hustler Casino

    Gardena, CA
    3 days ago
  • $30 - $33 per hour

     ...Obagi IT Systems Administrator Hourly Rate: $30.00 to $33.00/hr DOE Obagi Cosmeceuticals is an industry leading dermo-cosmetic brand that provides transformational skin care products, with a 35+ year legacy backed by science and innovation to protect and enhance... 
    Hourly pay
    Contract work
    Work at office
    Remote work

    Obagi

    Long Beach, CA
    4 days ago
  • $105k - $115k

     ...clicking "Apply Now" above and being redirected, you must fully complete the application process on the follow-up screen. Systems Administrator Position Overview The Los Angeles Rams are seeking an experienced and motivated Systems Administrator to support,... 

    AEG Presents

    Los Angeles, CA
    1 day ago
  • $96.3k - $154.4k

     ...regarding any recruiting communications or Kapitus' recruiting process in general should email ****@*****.*** As a Systems Administrator III at Kapitus, you will serve as a senior-level technical resource responsible for architecting, implementing, securing,... 
    Temporary work
    Remote work
    Flexible hours
    Day shift

    Kapitus

    Los Angeles, CA
    2 days ago
  • $75.8k - $144.2k

     ...a safer, more secure world. Join us and help shape the future of aerospace and defense. What You Will Do: Provide IT systems administration in a heterogeneous Microsoft Windows and RedHat?Enterprise?Linux?environment. Working as a team member in a?fast-paced?technological... 
    Full time
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Flexible hours

    RTX

    El Segundo, CA
    1 day ago
  •  ...Interview Process: 2-3 rounds (Video/Teams interviews). - Dress Code: Business Casual Responsibility: • The Citrix Administrator will support Citrix server environments and endpoint configurations. Required experience with key applications: • Strong background... 
    Contract work
    Temporary work
    Casual work
    Work at office
    Local area
    Remote work
    Flexible hours
    Shift work

    Tricehealthcare

    Los Angeles, CA
    5 days ago
  • $75k - $95k

     ...primary payloads attached to the bus -- and unlock a ‘one-to-many’ system, where each satellite has a large number of payloads which can...  ...we do in space. What You’ll Do: The System Administrator w ill handle the day-to-day operation, maintenance, and support... 
    Permanent employment
    Full time
    Flexible hours

    Space Kinetic

    El Segundo, CA
    2 days ago
  • $80k - $100k

     ...primary payloads attached to the bus -- and unlock a ‘one-to-many’ system, where each satellite has a large number of payloads which can...  ...Kinetic is seeking a mid-level Infrastructure & Systems Administrator to maintain and scale the infrastructure supporting our engineering... 
    Permanent employment
    Full time
    Flexible hours

    Space Kinetic

    El Segundo, CA
    2 days ago
  • $75.8k - $144.2k

     ...a safer, more secure world. Join us and help shape the future of aerospace and defense. What You Will Do: Provide IT systems administration in a heterogeneous Microsoft Windows and RedHat Enterprise Linux environment. Working as a team member in a fast-paced technological... 
    Full time
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Flexible hours

    RTX

    El Segundo, CA
    5 days ago
  •  ...is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars.SR. IT SYSTEMS ADMINISTRATOR, IT APPLICATIONS As a Senior IT Systems Administrator, you will serve as a key technical leader and Subject Matter Expert for... 
    Permanent employment
    Temporary work

    SpaceX

    Hawthorne, CA
    2 days ago
  • $115.8k - $176.6k

     ...enforcement, privacy & cybersecurity, and business restructuring.Ropes & Gray is an equal opportunity employer. Overview The Systems Administrator is responsible for technical administration of the firm’s financial systems including accounting, time entry and other... 
    Work experience placement
    Remote work

    Ropes & Gray

    Los Angeles, CA
    9 hours ago
  • $80k - $100k

     ...Job Description Job Description IT SYSTEM ADMINISTRATOR Freeform builds AI-native manufacturing systems that unify software, hardware, and physics to produce industrial-scale parts at the speed of human ideation. By treating manufacturing as a single integrated... 
    Full time
    Casual work
    Flexible hours

    Freeform

    Los Angeles, CA
    13 days ago
  • $33.65 - $36 per hour

     ...Job Description Job Description IT Systems Administrator position at a growing manufacturing company. ~ Direct hire position with excellent benefit package ~$ 33.65 – 36.00/hr. ~ At least 1 year of related experience with a BS degree in a related field of studies... 
    Work at office
    Monday to Friday
    Flexible hours

    TriCom Quest

    Cypress, CA
    21 days ago
  • $65k - $75k

     ...Job Description Job Description IT Systems Administrator Company Overview A leading organization in the media, entertainment, and creative technology industry is seeking an IT Systems Administrator to support a highly collaborative and innovative environment... 
    Full time
    Work at office

    Robert Half

    Los Angeles, CA
    17 days ago
  •  ...Job Description Job Description Position Purpose: The IT Systems Administrator is responsible for effective provisioning, installation/configuration, operation, and maintenance of systems hardware, software and related infrastructure. In this role, you will participate... 
    Work at office

    JWCH Institute

    Los Angeles, CA
    13 days ago
  • $90k - $120k

     ...industrial programs by combining advanced manufacturing expertise with scalable business and technology infrastructure. The Systems Administrator will own the infrastructure supporting these operations, including servers, identity, endpoints, license services, GCC High,... 
    Full time

    Votaw Precision Technologies LLC

    Santa Fe Springs, CA
    5 days ago
  • $80k - $90k

     ...experience — talk with your recruiter to learn more. Base pay range $80,000.00/yr - $90,000.00/yr We are seeking a highly skilled Systems Administrator to own and support our core IT infrastructure across cloud, network, endpoints, and enterprise applications. This role is... 
    Full time

    Express Network, A Legal Support Network Co.

    Los Angeles, CA
    2 days ago
  • $141.61k - $166.64k

     ...accepting a job offer. For information regarding reciprocity between the City of Los Angeles departments and LADWP, go to A Systems Administrator evaluates, develops, maintains, implements, and modifies operating systems, hardware, middleware, software, storage, and... 
    Full time
    Part time
    Work at office
    Local area
    Remote work

    Los Angeles Water and Power

    Los Angeles, CA
    1 day ago
  • $69k - $84.7k

    Systems Administrator (SIPR) Join to apply for the Systems Administrator (SIPR) role at Trace Systems Inc. Base pay range $69,000.00/yr - $84,700.00/yr Responsibilities Perform tasks associated with designing, installing, operating, monitoring, troubleshooting, repairing... 
    Full time
    For contractors
    Flexible hours

    Trace Systems Inc.

    Los Angeles, CA
    3 days ago
  •  ...and security expected in a regulated, government‑facing environment. The ideal candidate is a technically versatile junior systems administrator who can troubleshoot quickly, document clearly, and balance operational rigor with speed. This person will be comfortable supporting... 
    Permanent employment
    Work at office
    Remote work
    Weekend work

    Industrious Ventures

    Los Angeles, CA
    5 days ago
  •  ...retailers, including its own flagship stores in New York, San Francisco, Newport Beach, Paris, London and Amsterdam. Summary: The Systems Administrator is responsible for supporting the daily operation, maintenance, and continuous improvement of Rails' IT infrastructure, end-... 
    Work at office

    Rails

    Los Angeles, CA
    4 days ago
  • Employment Type: Full Time Department: Legal/IT We are seeking a Relativity Sr. Systems Administrator to join our team! You will handle a variety of projects to support and improve the organization’s network systems. CGS brings motivated, highly skilled, and creative... 
    Full time
    Work at office
    Flexible hours

    CGS Federal (Contact Government Services)

    Los Angeles, CA
    3 days ago
  • $60 - $70 per hour

     ...forces to power the immersive experiences of the future as Cosm. Innovation is in our DNA. Summary Cosm is looking for a Senior Systems Administrator to keep our creative infrastructure running — render farms, remote VFX/post workstations, and large-scale media asset... 
    Hourly pay
    Temporary work
    Local area
    Remote work
    Night shift
    Weekend work
    3 days per week

    Cosm Inc.

    El Segundo, CA
    3 days ago
  • $103.6k - $155.4k

     ...employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for...  ...Northrop Grumman CIDO Classified Solutions team is seeking a Systems Administrator to support information system lifecycle activities. The... 
    Full time
    Relocation package
    Flexible hours
    Shift work
    Weekend work

    Northrop Grumman

    Redondo Beach, CA
    2 days ago
  • $75k - $90k

    Buchwald is seeking a skilled and motivated Systems Administrator, Information Technology to join our Los Angeles team. This full-time role will be responsible for maintaining and optimizing our IT systems, configuring Jira/Altassian/Confuence workflows, ensuring reliable... 
    Full time
    Work at office
    Local area
    Monday to Friday

    Buchwald

    Los Angeles, CA
    5 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to System Administrator (90221). Be the first to apply!