Senior System Administrator

Job Description:

Senior System Administrator

Description

Job Posting Closes at 11:59PM on:
11/03/25
Division:
Business Innovation & Technology Division
Management Level:
Individual Contributor
Scheduled Weekly Hours:
40
Benefit Eligibility:
This position is eligible for Standard Benefits which includes dental, medical, and vision insurance, paid time off and holidays, retirement matching, wellness programs, and tuition reimbursement.

Description:

At Jefferson County (Jeffco) Business Innovation & Technology (BIT) Services we are shaping the role technology plays in government. If you're an experienced System Administrator wondering what your next challenge should be, look no farther. In order to be successful in our organization, the right candidate will be a team player, self-motivated, energetic, goal-oriented, and keeps up to date on the latest technology in their skill area.

The Senior System Administrator provides technical and administrative support for all components of server and operating systems and is responsible for planning, selection, implementation, maintenance, operation, and capacity management of computing resources including physical, virtual, and cloud for the county. This position will have the opportunity to work with industry leading systems that include virtualization, blade systems and storage technologies in both the data center and using cloud resources. These functions are provided for multiple versions of hardware, software operating systems, software applications and services. This position is expected to plan for capacity and demand; technology evolution; processes and procedures and customer support to ensure the on-going reliable and cost-effective delivery of services to county employees and the public.

The ideal candidate will be a solutions-driven professional who excels in an autonomous environment and is not afraid to ask why or voice a difference of opinion that may lead to process improvements. This philosophy is critical to the success of the culture of the team creating a collaborative and supportive team environment that is opportunity rich. The position requires a technical understanding of email operations and can provide support to both technical and non-technical users without being condescending. The candidate must also have the proven ability to move between diverse tasks with ease and must thrive in a positive and flexible professional environment.

The BIT Services department provides a full range of services to nearly 3000 County employees and over 500,000 citizens. We offer opportunities for employees to expand their skills and experience in IT areas ranging across Project Management, Information Security, Quality and Process Management, Commercial Applications, Custom Development and rapidly expanding Web Services. We offer flexible work arrangements and a generous benefits plan (http://www.co.jefferson.co.us/hr)

SCHEDULE:

This standard full-time position can expect to work Monday-Thursday and allows for hybrid work to be performed, both remote and in-office, as determined by business needs.

COMPENSATION:

Hiring Range: 102,000.00 - 115,000.00 USD Annual

Compensation will be determined based on education, experience, and skills.

BENEFITS:

Jefferson County offers a generous benefits package that supports your personal and professional life. Benefits include medical, dental and vision insurance, paid time off and holidays, retirement matching, wellness programs, tuition reimbursement, flexible schedules, remote work options and more. For more information, click here for our Total Rewards summary.

ESSENTIAL DUTIES:

Maintenance and Operation of Enterprise Technical Systems

• Determine appropriate hardware and software configurations for moderately complex to complex systems.
• Evaluate impacts of new releases and upgrades, implementing a test plan to ensure quality results.
• Create plans for system expansion and technology upgrades, coordinating directly with vendors, suppliers and contractors to assure timely and appropriate project completion.

Troubleshoots Escalated System Failure Issues

• Leads team efforts in troubleshooting critical or complex issues related to system performance and reliability. Resolution of complex technical issues, determination of root cause issues and planning and implementing solutions for their resolution.
• Able to make rapid and effective decisions to localize the root problems, coordinate other subject matter experts, implement changes to restore service and document the problem and lessons learned to avoid repeats of the problem.

Demand and Capacity Planning and System Design

• Leads the collection of information for capacity forecasts to determine current system utilization and analyzes server system hardware.
• Maintains and periodically audits user accounts to ensure servers and the windows domain are working efficiently, making recommendations to management for purchases regarding system growth to ensure ongoing quality service.

Continual Process Improvements

• Oversees the testing, implementation, maintenance, documentation, and development of operational and maintenance procedures.
• Determines best practices for all areas of system administration.
• Creates and modifies processes to obtain the best performance and reliability possible.
• Mentors and coaches junior staff in new technologies and operational tools.
• Trains others in effective use of the processes and procedures.

Enterprise System Planning, Design and Implementation

• Executes system design (functional and technical), planning and implementation for enterprise-level systems and services.
• Leads collaborative efforts with others to design future architectures to meet the evolving needs of the enterprise.
• Creates road maps for implementation consistent with project needs and budgets.

Proactive Planning to Avoid Service Outages

• Evaluates systems and services for critical points of failure and proposes and implements solutions to eliminate them and improve system and service reliability.
• Designs and implements proactive maintenance and monitoring solutions to prevent system and service outages.
• Performance tuning of services, software and hardware to improve system and service performance.

QUALIFICATIONS:

Research shows that women and other underrepresented and historically marginalized groups tend to apply only when they check every box in the posting. If you are reading this and hesitating to click “apply” for that reason, we encourage you to go for it! A true passion and excitement for making an impact is just as important as work experience.

Minimum Qualifications:

• 3 years of work-related experience in computer databases and systems administration.
• A bachelor’s degree in information technology, Computer and Information Science or a related field.
• Note an equivalent combination of education and experience is acceptable.

Preferred Knowledge, Skills and Abilities:

• Independent critical thinking and analysis.
• Demonstrating initiative, innovation, and resiliency.
• Ability to articulate clearly and effectively to varying levels of customer.
• Exceptional written and verbal communication.
• Automation and Scripting: PowerShell & Python.
• Virtualization and Containerization: VMware or other Hypervisor expertise
• OS Administration Expertise: Windows, Microsoft Server, Linux background highly preferred.
• Cloud Infrastructure Experience: Microsoft Azure; Intune AWS experience a plus.
• Networking Fundamentals: NSX or other firewall familiarity.
• Email Administration: Exchange Hybrid and Proofpoint configuration and administration.
• Storage, Backup, and Disaster Recovery (DR): SAN, NAS, and cloud storage
• Advanced technical knowledge of two or more of the following: Active Directory to include OU Structure and Design in a multi-domain forest, including root cause analysis, Microsoft Exchange 2019/SE/Exchange Online Proofpoint Email Security and Protection, Microsoft Intune, Microsoft SCCM, Group Policies (GPO), VMware, Windows Server administration, security hardening, and optimization.
• Experience in systems administration of moderate sized, complex data center systems and services.
• Technical leadership of small to moderate size teams.
• Certifications include: Microsoft - Solutions Associate (MCSA); Solutions Expert (MCSE); Solutions Master (MCSM); Technology Specialist (MCTS) or IT Professional (MCITP) - Exchange or Windows Server.

ADDITIONAL JOB INFORMATION:

Accommodations Statement: We encourage people with disabilities to apply and are committed to providing reasonable accommodations throughout our hiring process. For assistance with applications, interviews, or other hiring-related accommodations, contact careertalent@jeffco.us . This contact is for accommodation requests only and cannot provide application status updates.

• Criminal History and MVR Background Checks are required for every position.
• A valid Colorado driver’s license is required for positions that drive on County Business in either a county or personal vehicle within 30-days of hire or beginning to serve as an intern or volunteer.
• Offer of employment contingent upon successful completion of criminal history background check, motor vehicle report, education verification, and/or references.
• Current Jefferson County employees must apply through their employee profile in Workday.
• In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.

APPLICATION:

Qualified applicants are encouraged to apply immediately. All applicants must submit an online employment application by 11:59PM on the posted cut-off date. Follow this link to apply now: Jefferson County Colorado Career Opportunities

A resume and cover letter submitted with your application is encouraged but will not substitute for the information requested on the application. Applications are reviewed for minimum qualifications listed in the qualifications section of the job bulletin, and applicants are contacted directly by the hiring team if selected. To view the status of your application, please log into your candidate portal .

For more details on the recruitment process, please visit: https://www.jeffco.us/1860/FAQs

Questions? Contact the Jefferson County Recruitment Team at 303-271-8420 or CareerTalent@Jeffco.us

Education:

Experience:
Work Experience: Minimum three years

Certifications:

Languages:

Category:
Information Technology Services