Top 6 Senior systems administrator Jobs in Brookfield Wi

Senior IT Administrator
MLG Capital —Brookfield, WI
- Full-time
- System design
- Office
- Microsoft Office
- Paid parental leave
- Paid holidays
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Senior Security Systems Administrator
Integrated Systems Corp. —Mequon, WI
- $110,000 - $140,000 a year
- Full-time
- Azure
- Computer Science
- 5 years
- Profit sharing
- Health insurance
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Sr. Systems Engineer – SQL Database Administrator.
U.S. Bank National Association —Brookfield, WI
- $105,400 - $124,000 a year
- Full-time
- Azure
- 5 years
- System design
- Paid holidays
- Disability insurance
2d
Senior Investment Accounting Systems Administrator
Allspring Global Investments Holdings, LLC —Milwaukee, WI
- $150,000 a year
- Full-time
- Hybrid work
- 11+ years
- Office
- Finance
Senior IT Specialist - M365 & Active Directory Architect
Eaton —Menomonee Falls, WI
- Hybrid work
- Background check
- English
- Research
- Retirement plan
Senior Systems Engineer Analyst
MGIC —Milwaukee, WI
- $105,590 - $179,510 a year
- Online Application
- 5 years
- System design
- Continuous improvement
- Profit sharing
- Wellness program

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Requires a vendor-specific certification such as Microsoft Certified: Windows Server Hybrid Administrator Associate.

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Senior IT Administrator

MLG Capital -
Brookfield, WI

Quick Apply

Job Details

Full-time

Benefits

Paid parental leave
Paid holidays
Disability insurance
Health insurance
Dental insurance
Paid time off
Parental leave
Vision insurance
401(k) matching
Life insurance

Qualifications

Cloud identity and access management (IAM)
Microsoft Exchange
Public Cloud
Microsoft Office
Azure AD
Customer support ticket management
Microsoft Teams
SharePoint
UEM
Cross-functional communication
Video conferencing systems operation
Ticketing system technical support

Full Job Description

Description:

We are seeking a highly motivated, hands-on Senior IT Administrator of Corporate Infrastructure to co-manage along with our IT partner and modernize our internal technology ecosystem. In this dual-nature role, you will act as a "player-coach” serving as the primary technical administrator for our core corporate systems while simultaneously designing the broader governance, security, and process frameworks that allow our infrastructure to scale securely.

The ideal candidate is an expert in the Microsoft 365 ecosystem, possesses a strong security-first mindset, and enjoys being close to the execution while thinking critically about long-term business alignment.

Key Responsibilities

Systems Administration & Engineering

Serve as the primary administrator for Microsoft 365, Teams, Exchange Online, and SharePoint architecture, including licensing.
Own the end-to-end lifecycle of hardware and software asset management, including provisioning, configuring, and offboarding endpoint devices (Laptops, Mobile) via Mobile Device Management (MDM) platforms as well as other office technologies
Manage and continue to improve upon the internal IT Helpdesk ticketing system, providing high-touch, timely technical support for internal employees while identifying and resolving root-cause systemic issues.
Configure and maintain identity access controls, Single Sign-On (SSO) configurations, and user group directory structures.

Strategy, Governance & Security

Design and enforce corporate IT policies, data retention schedules, and SharePoint governance frameworks to ensure data integrity and compliance with industry regulations.
Partner with senior leadership and Impact VCIO’s to build an IT roadmap that supports business growth, security objectives, and operational efficiency.
Manage third-party IT vendors, software contract renewals, and hardware procurement budgets to maximize ROI.
Establish, implement, and monitor endpoint security baselines, including patch management, Multi-Factor Authentication (MFA), and conditional access policies.
Develop formal documentation, onboarding runbooks, and self-service training resources for employees.

Requirements:

Qualifications

Experience: 4 to 6+ years of progressive IT infrastructure experience
Technical Deep Dive: Expertise administering Microsoft 365 environments, Azure Active Directory / Entra ID, SharePoint sites, and Microsoft Teams.
Tools: Proven experience with endpoint management frameworks (e.g., Microsoft Intune) and modern ticketing environments.
Mindset: Strong organizational skills with the ability to pivot between solving an immediate user issue and ongoing IT projects.
Communication: Ability to communicate complex technical concepts clearly to non-technical business leaders and executives.

Physical Requirements: Ability to operate office machinery; including but not limited to: telephone, computer, copy machine, fax machine, printer, and mobile phone.

Working Conditions: Open office workstation environment, moderate to quiet noise levels.

Perks & Benefits:

Medical, dental, and vision coverage available within 30 days of hire
401(k) plan with company match after just one month
Generous paid time off, including vacation, holidays, your birthday, and one floating holiday each year
Paid Volunteer Time
Friday Summer Hours
Paid parental leave
Company-paid life insurance and short-term and long-term disability insurance
Friendly, supportive team culture with fun company events, employee appreciation activities and more!

As MLG has a subsidiary Registered Investment Adviser, many employees are subject to SEC-mandated compliance requirements. As part of these requirements, employees must disclose personal brokerage accounts and financial holdings, for themselves and any household members whose investment activities they influence.

This information is collected solely for regulatory compliance and conflict of interest monitoring. All disclosures are handled with strict confidentiality and are accessible only to the Chief Compliance Officer and designated compliance personnel when a business or SEC related need arises

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, disability, sexual orientation, national origin or any other category protected by law.

In compliance with the Americans with Disabilities Act, a “reasonable accommodation” will be made for an individual with a known physical or mental limitation unless it would require an action of significant difficult causing undue hardship.

This document covers the most significant duties performed but does not exclude other occasional work assignments not mentioned.

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Refine Your Search

senior systems administrator jobs in brookfield wi

Senior IT Administrator

Senior Security Systems Administrator

Sr. Systems Engineer – SQL Database Administrator.

Senior Investment Accounting Systems Administrator

Senior IT Specialist - M365 & Active Directory Architect

Senior Systems Engineer Analyst

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