ABOUT PRISM
PRISM is devoted to modernization and innovation across technology, security, and IT enterprise solutions. We are recognized for meeting performance requirements and exceeding customer expectations since 1994. Our culture is founded on relationships, opportunity, and success. Offering comprehensive benefit plans including medical, dental, vision, and 401K along with our people - first approach sustains our reputation as a premier employer.

PRISM is seeking a Windows/Linux System Administrator.This position is onsite daily at Annapolis Junction.

KEY RESPONSIBILITIES:
Manage and support enterprise telephony systems across these programs, including hardware, software, peripherals, and call applications such as WFO/WFM, CMS, and call recording platforms.  

Install, configure, operate, monitor, and maintain enterprise infrastructure, including web servers (e.g., IIS), application servers, and telecom hardware (e.g., Dell PowerEdge servers, Anaya J Series phones).  

Install, configure, troubleshoot, and resolve issues related to telephony systems, Windows / Linux servers, network connectivity, and system integrations with Active Directory, DNS, DHCP, and LDAP.

Collaborate with cross-functional teams to implement telephony solutions that ensure high availability, call quality, and compliance with security and performance standards.  

Apply regular and emergency patches to Windows / Linux Server environments to maintain security and compliance.  

Perform system upgrades and migrations, including planning, testing, and execution.  

Conduct regular system health checks and preventive maintenance.  

Coordinate with security teams to address audit findings and implement appropriate remediations.  

REQUIRED QUALIFICATIONS (SKILLS/EDUCATION):
Active Secret security clearance.  

Minimum of 7 years of experience supporting telephony systems in a systems administrator or engineer role.  

Experience with Windows / Linux Server environments, including installation, patching, and troubleshooting.  

Experience with telephony platforms, including Avaya and call recording/workforce management applications.  

Experience with VMware environments, including ESXi and vCenter, for installation, upgrades, troubleshooting, and ESXi certificate management.  

Networking experience includes IPv4 / IPv6, ports/protocols, and monitoring.  

Familiarity with remediation and validation of security vulnerabilities in a Windows / Linux Server environment.  

Proficiency with managing and monitoring infrastructure, including telephony peripherals and server systems.  

Knowledge of client/server certificate management.  

Experience with Active Directory and Group Policy Administration.

Candidates must be willing and able to meet recall requirements, including participation in a rotational on-call schedule.

REQUIRED SECURITY CLEARANCE:
Active Secret Security Clearance. 

PRISM is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.