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

Systems Administrator

$55k - $65k

RSI Security

Systems Administrator Department: Technical Operations (TechOps) Type: Full-Time (US-Based) Location: Remote Pay: $55,000-$65,000 annually Travel: About Us: RSI Security is a leading cybersecurity compliance firm that specializes in providing comprehensive security assessment, advisory, and technical security testing services. We support organizations in navigating the complex cybersecurity landscape, ensuring they achieve and maintain compliance while managing risks effectively. About the Role A detail-driven, security-focused Systems Administrator to safeguard mission-critical client systems and ensure bulletproof backup integrity. This role supports our Technical Operations team by managing and hardening on-premises and cloud server infrastructures, ensuring robust backup and disaster recovery, and delivering proactive system administration across multiple clients. You will work closely with service desk, engineering, and security teams while maintaining high compliance standards and delivering exceptional reliability in a fast-paced, mission-driven environment that runs on the Entrepreneurial Operating System (EOS). What You'll Do Own the reliability, security, and performance of client Windows Server, virtualization, and Active Directory / hybrid identity environments Administer Microsoft 365 (Commercial + GCC/GCC High) and enforce tenant security controls (MFA, Conditional Access, secure baselines) Execute and validate tenant hardening, migrations, identity sync projects, and mail cutovers with minimal business disruption Operate and continuously improve backup, disaster recovery, and business continuity readiness (Datto, DR testing, restore validation) Serve as the escalation owner for high-severity (P1/P2) incidents—drive triage, troubleshooting, stakeholder communication, and rapid MTTR Produce clear incident documentation and post-incident remediation plans (RCA, corrective actions, prevention strategy) Own and enforce change-management standards, ensuring approvals, backout plans, and documentation are complete and audit-ready Partner with Service Desk, TAC, and Security teams to prioritize escalations and ensure consistent service delivery across TechOps Guide clients on modernization initiatives, cloud migration strategy, and security enhancements aligned to compliance frameworks Lead infrastructure improvement efforts including hardware refreshes, virtualization optimization, patching standards, and DR enhancements Maintain and continuously improve operational runbooks, SOPs, and knowledge base documentation in IT Glue, ensuring high adoption and accuracy Mentor junior technicians by setting expectations, providing coaching, and raising the team’s technical and documentation quality standards Knowledge in EOS System is a plus What You'll Bring Relevant Microsoft certifications in Windows Server Hybrid Administration, Microsoft 365 Administration, and Azure Administration, with baseline security knowledge (e.g., SC-900, Security+, or equivalent) Proven experience supporting Microsoft 365 Commercial and GCC/GCC High environments, including Azure Government, identity integration, and regulated tenant operations Strong working knowledge of compliance-driven environments and frameworks such as FedRAMP, CMMC, DFARS, and ITAR, with a disciplined approach to documentation and change control Advanced hands‑on capability in Windows Server administration (hardening, patching, identity services, and performance management) Experience supporting virtualization platforms (VMware and/or Hyper‑V), including lifecycle management, optimization, and troubleshooting Strong PowerShell / automation skills, with the ability to streamline operational tasks and reduce repeat incidents through scripting and standardization Experience executing complex projects including server migrations, tenant hardening, identity sync/SSO implementation, and secure baseline deployment Demonstrated ability to lead through high-severity incidents (P1/P2), deliver clear technical documentation, and drive root cause remediation Value‑add certifications such as VMware VCP, Veeam, Datto, or similar infrastructure/backup credentials (preferred) 3-7 years of Windows Server administration in production environments 3+ years supporting VMware/Hyper‑V virtualization 2+ years administering Microsoft 365 environments (Commercial and/or GCC/GCC High) Mindset We Value Owns reliability of systems and communicates status proactively. Performs effectively during high‑severity incidents. Works seamlessly with service desk, engineering, and security teams; mentors junior technicians. Seeks certifications, automates repetitive tasks, & recommends process enhancements. Protects client data, enforces least‑privilege access, and follows compliance procedures. What We Offer Competitive salary and commission eligibility. Flexible work environment Comprehensive health, dental, and vision insurance. 401(k) retirement plan with employer match. Company‑paid life insurance and short/long‑term disability coverage. Professional development and certification reimbursement. Collaborative team culture rooted in trust and humility. Our commitment to equity, equal opportunity, inclusion, and diversity is part of our broader commitment to respecting fundamental human rights across our value chain. RSI Security is proud to be an Equal Opportunity Employer. The Company will consider for employment qualified applicants with arrest and conviction records. #J-18808-Ljbffr RSI Security

Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Systems Administrator in Brooklyn, NY vacancy
  • $130k - $140k

     ...Description Enterprise Systems Administrator (Hybrid) About Us: For over 100 years, Hartz has been driven by one belief: pets make life better. That belief fuels our commitment to creating innovative, trusted products that strengthen the bond between pets and their families... 
    Suggested
    Casual work
    Work at office
    Local area
    Immediate start
    Remote work
    Flexible hours

    Hartz Mountain

    Secaucus, NJ
    5 days ago
  • $160k - $170k

     ...Position Title: Senior Systems Administrator Location: Hill AFB, UT (On-Site Required) Clearance: ****This position requires an Active Secret Clearance**** Compensation: $160,000.00 - $170,000.00 Position Summary: Command Cyber Solutions is seeking a Senior System Administrator... 
    Suggested
    Temporary work
    For contractors
    Casual work
    Remote work
    Flexible hours

    Taleo

    Brooklyn, NY
    1 day ago
  • $70k - $130k

     ...Description Position: Senior System Administrator Requisition/Position Number: SSA Summary We are looking for a skilled Senior System Administrator to support and maintain mission-critical IT systems in a dynamic government environment. In this role, you’ll manage day... 
    Suggested
    Full time
    Contract work

    Paylocity

    Brooklyn, NY
    17 hours ago
  • $52.8k - $79.2k

     ...organization's physical, virtual, and cloud-based information systems and networking infrastructure. Oversees cybersecurity,...  ...security incidents in an appropriate and timely manner. Performs administrative tasks in Entra ID, Intune, Microsoft 365, Exchange, Teams, and... 
    Suggested
    Hourly pay
    Full time
    Remote work
    Visa sponsorship
    Work visa

    Paylocity

    Brooklyn, NY
    18 hours ago
  •  ...System AdministratorWe are looking for a talented System Administrator to join IT team, who will work closely with our software developers and core teams to design, scale and maintain our production infrastructure. In this capacity, you will be responsible for the most... 
    Suggested

    EER Poland

    Staten Island, NY
    4 days ago
  • $90k - $105k

     ...This remote opportunity is focused on supporting the administration, design, and overall management of an internal Digital Evidence Network...  ...Server Update Services, and antivirus update processes. Handle system configuration design and management, including operating... 
    Full time
    Work experience placement
    Remote work

    7Seventy

    Brooklyn, NY
    4 days ago
  •  ...SYSTEM ADMINISTRATOR I POSITION OBJECTIVE Support and maintain hybrid IT infrastructure, including on-premises servers and Azure cloud environments and SQL database maintenance. Assist in system operations, troubleshooting, and automation tasks to ensure stable, secure... 

    Clear Destination

    Brooklyn, NY
    2 days ago
  •  ...Title : NCDOT - PORTS - System Administrator- Expert (808260) Location : Wilmington, NC NEED LOCALS Duration : 12 + Months Interview: Both Phone and In Person Visa : USC/GC ONLY Position: Onsite Description : The Senior Systems Administrator provides operational support... 
    For contractors
    Local area
    Immediate start
    3 days per week
    1 day per week

    ZealHire Inc.

    Brooklyn, NY
    17 hours ago
  •  ...Insurance, Dental Insurance, Vision Insurance Contractor | Remote Required Skills Job Description We are seeking a dependable Systems Administrator to manage, maintain, and secure enterprise computing environments. The Systems Administrator will be responsible for servers... 
    For contractors
    Remote work

    Mybridge

    Brooklyn, NY
    3 days ago
  • $92.3k - $166.85k

     ...Are you ready to be the technical backbone of a mission that matters? Leidos is seeking a highly motivated Senior Systems Administrator/Help Desk Engineer to support a cutting-edge Agile software development program, Chinook, for an Intelligence Community customer. In... 
    Contract work
    Shift work
    Day shift
    Afternoon shift

    Koitecc Solutions

    Brooklyn, NY
    1 day ago
  •  ...Required Skills  A minimum of 6 years of experience with the following skill sets: Server administration. Server security, SIEM and Log, monitoring/management, Vulnerability Management, Risk and Compliance. Anti-Virus/Malware, Applicable server and application... 
    Temporary work

    Delan Associates, Inc

    Brooklyn, NY
    13 days ago
  •  ...experience with the following skill sets: ·Building and supporting highly available and scalable infrastructures (Linux server/containerized environments) ·Managing and maintaining UNIX systems ·Technical and user documentation. ·Designing 3-tiered infrastructure... 
    Temporary work

    Delan Associates, Inc

    Brooklyn, NY
    13 days ago
  • $118k - $148.6k

     ...to $148,600 (USD), exclusive of any discretionary bonuses and benefits. JOB DESCRIPTION We are looking for a talented System Administrator to join our expanding CNO team at MissionEdge Technologies. This role you will provide support for implementation, troubleshooting... 
    Work at office
    Monday to Friday
    Flexible hours
    Weekend work

    MissionEdge Technologies

    Brooklyn, NY
    1 day ago
  • $66.5k

     ...Systems AdministratorAscend is a network of high-performing public charter schools serving students across Brooklyn. Our mission is...  ...the RoleAs a member of Ascend's technology team, the systems administrator will play a critical role supporting and administering the organization... 
    Work experience placement
    Work at office
    Afternoon shift

    Ascend Schools

    Brooklyn, NY
    2 days ago
  • ## Business Systems Administrator**Fort Wayne,IN46825**Posted: 09/22/2026Employment Type:Direct HireCategory: IT - BI/DA - Database AdminJob Number: 251139Work Location: On-Site## Job DescriptionBusiness Systems Administrator **Daily Responsibilities** We are seeking a... 

    The Intersect Group

    Brooklyn, NY
    3 days ago
  •  ...Filenet Systems Administrator/DeveloperSonsoft, Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. Sonsoft Inc. is growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information... 

    SonSoft

    Jersey City, NJ
    4 days ago
  • $63.27k - $137.88k

     ...IAT Insurance Group has an immediate opening for Systems Administrator Engineer – Cloud & Automation from our Milwaukee, Wisconsin; Kansas City, Missouri; Rolling Meadows, Illinois; Naperville, Illinois; Scottsdale, Arizona; Raleigh, North Carolina; Jersey City, New... 
    Full time
    Work at office
    Immediate start
    Remote work

    IAT Insurance Group

    Jersey City, NJ
    2 days ago
  • $80k - $100k

     ...Job Description Systems Engineer Location : Columbus, OH / Hybrid Regular Hour s: 40/week, M-F, 8am-5pm EST Employment Type : Full...  ...Directory, SQL Hyper‑V, VMWare Microsoft Azure, Microsoft 365 Administration, SharePoint Online, Exchange Online Troubleshooting desktop/... 
    Full time
    Work at office

    Astute Technology Management

    Brooklyn, NY
    17 hours ago
  •  ...human capital management, disaster recovery, and operations. Job Description McBride Consulting has an exciting opportunity for a Systems Engineer providing support to the Command, Control, Communications, and Battle Management Division (C3BM). Command, Control, Communications... 
    Full time
    For contractors
    Remote work

    McBride International

    Brooklyn, NY
    3 days ago
  •  ...System Engineer Location: Jersey City, NJ/ Charlotte NC/ Plano TX (Hybrid) Duration: 12 months Role Overview We are seeking a Network / System Engineer. The successful candidate will be responsible for patching, configuring, and maintaining a large vSphere 8.... 

    Apex Systems

    Jersey City, NJ
    2 days ago
  • $130k - $155k

     ...missing piece. That's where you come in! We are looking for a GTM Systems Engineer to own the day-to-day configuration, integrity, and...  ...know when something breaks. The ideal candidate is a strong administrator who tests before shipping, documents what they change, and communicates... 
    Temporary work
    Work experience placement
    Worldwide
    Flexible hours

    Outsiders Fund

    Brooklyn, NY
    2 days ago
  •  ...Technical Product OwnerWe are seeking a technically adept Technical Product Owner with expertise in Java middleware systems running on Linux platforms. This role will drive the development of scalable backend services, working with cross-functional teams to design, build... 
    3 days per week

    Apex Systems

    Jersey City, NJ
    2 days ago
  • $105.6k - $150.5k

     ...individuals from a wide range of backgrounds and experiences and welcome all qualified individuals to apply. Job Summary We are seeking a Systems Engineer III to join our Medical Device team and play a key role in the development of innovative healthcare technologies. This... 
    Work experience placement
    Work at office
    Local area
    Remote work
    Flexible hours

    Battelle

    Brooklyn, NY
    2 days ago
  •  ...Job Title: Systems Engineer Location: Norman, OK Clearance: Public Trust Program: RMSS Company Description: Centuria, a Service-Disabled Veteran-Owned Small Business (SDVOSB), has been delivering IT, Engineering, and Scientific solutions to the Federal Government since... 

    Lever

    Brooklyn, NY
    3 days ago
  • $10k

    **This Position is Contingent on Contract Award** Description: Columbia Technology Partners is seeking Systems Engineers to support the full system lifecycle, from concept development through retirement. Our Systems Engineers collaborate with customers, program personnel... 
    Contract work
    Temporary work
    For contractors
    Local area

    Columbia Technology Partners

    Brooklyn, NY
    2 days ago
  •  ...security, cybersecurity, networks, video surveillance, detection, and access control. We are seeking an experienced Security Systems Administrator to support a client environment in Jersey City, New Jersey.  This is a full-time, on-site position supporting a client... 
    Full time
    Contract work
    Temporary work
    For contractors
    Local area
    Monday to Friday
    Day shift

    VIRSIG, LLC

    Jersey City, NJ
    15 days ago
  •  ...Job Title: RF/Systems Engineer Location:  Hoboken, NJ Division:  Revenue Department: Defense About Us: Quantum Computing Inc. (QCi) (Nasdaq: QUBT) is an innovative, integrated photonics company that provides accessible and affordable quantum machines to... 
    Work at office
    Local area
    Remote work

    QUANTUM COMPUTING, INC.

    Hoboken, NJ
    more than 2 months ago
  • $130k - $150k

     ...Back Sr. Database Administrator Cloud/Infrastructure March Air Reserve Base , California Jul 13, 2026 Sr. Database Administrator...  ...test, and production environments supporting mission-critical systems. Program Overview This program supports U.S. Customs and... 
    Temporary work

    Blu Omega Inc.

    Brooklyn, NY
    17 hours ago
  • $95k - $130k

     ...The Systems Engineer is responsible for analyzing, designing, and managing complex systems throughout the system lifecycle. This role translates customer and mission needs into technical requirements, system architectures, and engineering solutions while ensuring that... 
    Full time
    Temporary work
    For contractors
    Work at office
    Immediate start

    CHICKASAW NATION INDUSTRIES INC

    Brooklyn, NY
    2 days ago
  • Design, develop, and maintain scripts for automated network provisioning and configuration for the user interface, ensuring seamless functionality. Oversee application deployment onto WebLogic and JBoss servers and ensure a smooth transition from development to production...

    Opus Technologies LLC

    Brooklyn, NY
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Systems Administrator. Be the first to apply!