The System Administrator is responsible for management of all Windows / Active Directory environments. This includes both physical and virtual systems and the services running on them. We are looking for a System Administrator with a strong background in on premise E-Mail system support. They should have extensive experience supporting Microsoft Exchange E-Mail servers, Proofpoint E-Mail security appliances and be able to implement and manage newer DNS based E-Mail authentication protocols such as DKIM, SPF, DMARC and others in this rapidly evolving space.
Monitor the health and analyze/maintain the performance of our on prem Microsoft Exchange environments.
Keep Exchange patched and up to date with latest supported versions.
Work with our backup administrators to maintain valid, tested and secure backups of the E-Mail system including participation in our monthly restore testing process.
Manage E-Mail retention and archiving policies to keep E-Mail data according to legal requirements and maintain healthy Exchange mailboxes.
Manage E-Mail security devices like Proofpoint along with DNS based E-Mail authentication requirements to help secure our communications.
Assist in searches of E-Mail related to public record requests.
Monitor the health and analyze/maintain the performance of our Microsoft Windows/Active Directory environment.
Monitor the health and analyze/maintain the performance of our VMware virtualization environment.
Make recommendations and implement changes to improve the overall performance and resiliency of MS Exchange.
Manage hardware buildouts to expand and refresh available physical resources.
Manage Active Directory core services
DHCP and DNS services.
Group policy design and management
OU structure and AD replication
Test, upgrade, and migrate virtual environments as new versions of software and hardware become available.
Participate in rotation for after-hours support.
Monitor the health and analyze performance of the VMware environment.
Keep ESXi and vCenter patched and updated to latest supported levels.
Make recommendations and implement changes to improve the overall performance of the various VMware host clusters.
Hardware build-out to expand and refresh available physical resources.
Create a strategy that right sizes guest machines to ensure our production environment is free from contention.
Architect an environment that optimizes ESXi host performance, reliability and availability.
Test, upgrade, and migrate old host servers/clusters to new and align the resources with the requirements of the business.
Work with our Cyber Security Team to harden our VMware environment guided by CISA recommendations.
Create and document procedures regarding virtualization standards within the organization.
Set up layers of protection against ransomware and other modern-day threats to data.
Qualifications
Basic Qualifications
Bachelor’s degree and 5 years of experience or an Associate’s degree and 7 years of experience or a High School diploma and 9 years of experience.
Must be a U.S. Citizen or Green card holder and can pass a background check.
Demonstrated hands on experience performing administration, troubleshooting, patching, and support of MS Exchange, VMware virtual infrastructures and Windows AD
Experience and in-depth understanding of Active Directory, DNS and other Windows core services
Experience managing private cloud environments as well as developing highly available virtualized environments including defining monitoring standards, operational procedures and growth plans required
Knowledge and experience with HPE ProLiant servers
Proven experience designing and implementing an enterprise-wide virtual infrastructure using ESXi v8/v9
Demonstrated experience working with vendors and end users on system troubleshooting
Ability to automate processes through the effective application of scripts (PowerShell, Pearl, VBS)
Ability to handle multiple tasks while prioritizing and delivering results on time
Excellent verbal and written communication skills
Must have strong analytical skills
Ability to think strategically with technical vision
Attention to detail and strong organizational skills
Preferred Qualifications
Certifications
Microsoft/VMware certifications preferred
ITIL certification preferred
Target Salary Range $80,000 - $128,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.
Benefits Statement
Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at https://www.careers.peraton.com/benefits.
Application Statements The application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. By applying to this job, you are expressing interest in the role and the Company. During the review of your application, you may be required to participate in an on-camera interview, as well as participate in a process to verify your identity. Use of artificial intelligence (AI) tools of any kind during Peraton interviews is strictly prohibited unless the candidate has obtained prior written authorization. All interview responses must be the candidate’s own.
- EEO
- EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.
