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Description & Requirements Maximus is seeking a Windows / Linux System Administrator to manage and support internal-use telephony systems for our Homeland Security customer. This role provides technical leadership for the configuration, maintenance, and troubleshooting of enterprise telephony infrastructure, with responsibilities spanning operating systems, networking, security, and application support. This position is on-site and requires a Secret Clearance. Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS249, T4, Band 7 Job-Specific Essential Duties and 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. • Other tasks as assigned. Job-Specific Minimum Requirements:
• Active Secret security clearance. • Due to contract requirements, only US Citizens can be considered. Candidates with dual citizenship cannot be considered. • 7+ years of relevant experience in systems administrator or systems engineering. o Experience with Windows / Linux Server environments, including installation, patching, and troubleshooting. o Experience with telephony platforms, including Avaya and call recording/workforce management applications. o Experience with VMware environments, including ESXi and vCenter, for installation, upgrades, troubleshooting, and ESXi certificate management. o Networking experience includes IPv4 / IPv6, ports/protocols, and monitoring. o Familiarity with remediation and validation of security vulnerabilities in a Windows / Linux Server environment. o Proficiency with managing and monitoring infrastructure, including telephony peripherals and server systems. o Knowledge of client/server certificate management. o Experience with Active Directory and Group Policy Administration. • Candidates must reside within a commutable distance for daily onsite work and on-call requirements. • This contract supports systems that require 24x7x365 uptime. Candidates must be willing and able to meet recall requirements, including participation in a rotational on-call schedule. Preferred/Desirable Skills: • Prior DHS suitability • Scripting experience (PowerShell, Shell scripting) • Experience with virtualization technologies (VMWare) • Experience with Microsoft SQL Server and PostgreSQL databases • Demonstrated experience with Active Directory and Group Policy administration • Experience with security vulnerability remediation and validation #techjobs #clearance #veteranpa #APPCASTDTO Minimum Requirements TCS249, T4, Band 7 EEO Statement Maximus is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, age, national origin, disability, veteran status, genetic information and other legally protected characteristics. Pay Transparency Maximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. Annual salary is just one component of Maximus's total compensation package. Other rewards may include short- and long-term incentives as well as program-specific awards. Additionally, Maximus provides a variety of benefits to employees, including health insurance coverage, life and disability insurance, a retirement savings plan, paid holidays and paid time off. Compensation ranges may differ based on contract value but will be commensurate with job duties and relevant work experience. An applicant's salary history will not be used in determining compensation. Maximus will comply with regulatory minimum wage rates and exempt salary thresholds in all instances. Accommodations
Maximus provides reasonable accommodations to individuals requiring assistance during any phase of the employment process due to a disability, medical condition, or physical or mental impairment. If you require assistance at any stage of the employment process-including accessing job postings, completing assessments, or participating in interviews,-please contact People Operations at . Minimum Salary $ 90,000.00 Maximum Salary $ 100,000.00 *