Journeyman System Administrator

Maximus; Tysons (VA); On-site; USD 70,000 - 100,000; Full time

Job summary

Maximus is seeking a senior System Administrator to join its TCS—Technology and Consulting Services team in Tysons, VA. The role emphasizes enterprise patch and vulnerability management across client, server, cloud, and on-prem environments, with a focus on CVE-based remediation and secure, standardized configurations.

You will develop, test, and deploy system images, perform manual Linux/UNIX patching, and document remediation efforts for audits.

Qualifications

• Bachelor's degree in Computer Science, IT, or related field.
• 7+ years of system administration in enterprise IT environments.
• Experience with CVE-based patching and remediation.
• Experience with Windows Server and Linux/UNIX administration (on-prem and cloud).

Responsibilities

• Execute CVE-based patching by severity across client, server, cloud, and on-prem environments.
• Develop, test, maintain, and deploy system images and standardized configurations.
• Perform manual Linux/UNIX patching across physical and virtual servers with validation and rollback.
• Track, document, and report patching activities and remediation status for compliance and audit.
• Conduct post-deployment validation, monitor system impacts, and ensure operational stability.
• Meet critical vulnerability remediation timelines and implement contingency/rollback procedures.

Skills

Powershell scripting

Bash scripting

Python scripting

Windows Server administration

Linux/UNIX administration

Patch management

Change/configuration management

ITSM awareness

Education

Bachelor's degree in Computer Science or IT

Tools

Ansible

Job description

Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS220, T4, Band 7Job-Specific Essential Duties and Responsibilities:- 7+ years of system administration experience within enterprise IT environments- Execute CVE-based patching by severity across client, server, cloud, and on‑prem environments.- Develop, test, maintain, and deploy system images and standardized configurations to support secure and consistent enterprise deployments.- Perform manual Linux/UNIX patching activities across physical and virtual server environments, including validation and rollback when required.- Track, document, and report patching activities and remediation status to support compliance and audit visibility.- Conduct post-deployment validation, monitor system impacts, and ensure operational stability across production and non-production environments.- Meet critical and high-severity vulnerability remediation timelines and execute contingency/rollback procedures as needed.- Support large-scale endpoint and infrastructure environments, including workstations, mobile devices, voice/video endpoints, and physical/virtual servers.Job-Specific Minimum Requirements:- Ability to obtain and maintain a Public Trust is required. Active Public Trust and/or DHS Suitability is preferred. U.S. citizenship or U.S. national status required.- Bachelor's degree in Computer Science, Information Technology, or related field- Enterprise patch and vulnerability management (CVE, severity-based remediation)- Windows Server and Linux/UNIX administration (manual patching experience required)- Physical and virtual server administration (on‑prem and cloud environments)- Change, configuration, and release management processes- System imaging, configuration baselines, and rollback procedures- Compliance-driven documentation and reporting Scripting experience (PowerShell, Bash, Python)Preferred Skills and qualifications:- Scripting experience (PowerShell, Bash, Python)- Exposure to configuration management or automation tooling (e.g., Ansible)- Experience supporting large-scale endpoint environments (30k+ workstations, mobile, VoIP, VTC)- Familiarity with ITSM platforms and operational reporting- Experience working in federally regulated IT environments#techjobs #clearance #veteranspage #LI-RemoteMinimum RequirementsTCS220, T4, Band 7#TSTECHEEO StatementMaximus 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 TransparencyMaximus 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.AccommodationsMaximus 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 [e-mail] .Minimum Salary$70,000.00Maximum Salary$100,000.00