Windows System Administrator, Sr.

Unisity, LLC

Maryland

On-site

USD 90,000 - 130,000

Full time

2 days ago
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Benefits offered by this job

401k plan with company contribution
Health insurance

Job summary

Unisity, LLC is seeking a Senior Windows System Administrator to join a high-performing Agile team operating within SAFe. The role covers daily systems administration and O&M across multiple systems with a broad geographic footprint.

You will respond to system engineering requests, deploy new capabilities, and sustain operational performance. The candidate will manage AD, DNS, GPOs, SCCM, and Exchange, with focus on security governance, IAVA management, and on-call support as needed.

Qualifications

  • Must have at least 7 years of Windows administration experience.
  • Must have at least 7 years of information security management experience.
  • Must have at least 5 years of experience with AD/DNS, GPOs, SCCM, and Exchange.

Responsibilities

  • Monitor test infrastructure systems, applications, and processes to identify, track, and resolve issues.
  • Configure and manage server, router, firewall, VMware hosts, Windows and Linux servers, and VDI; perform security management and optimization tasks.
  • Provide technical support across teams and ensure timely communication of outages and status updates.

Skills

Windows administration
Information security
PowerShell scripting
Analytical skills

Education

Bachelor's degree in Computer Science or related field

Tools

VMware
Active Directory
DNS
GPOs
SCCM
Exchange administration
IAVA management

Job description

Unisity, LLC is a Service-Disabled Veteran Owned Small Business providing expert services in the Information Technology fields. We pride ourselves on delivering what is promised, as some would say we \"just do\". We are highly-qualified, self-driven professionals who work towards a common goal as a team, leading when appropriate and following when needed.

Job Summary

A Senior Windows System Administrator to join a high-performing Agile team operating within the Scaled Agile Framework (SAFe) in support of a complex, fast-paced program. In this role, the selected candidate will provide daily systems administration and operations and maintenance support across multiple systems with a broad geographic footprint. Key responsibilities include responding to system engineering requests that support operational requirements, as well as engineering, deploying, and sustaining new capabilities within the environment.

Primary Responsibilities

The selected candidate will be responsible for monitoring test infrastructure systems, applications, and processes to ensure issues are identified, tracked, and resolved in a timely manner. This role also includes supporting server, router, and firewall configuration, as well as performing security management and application performance optimization activities in an environment made up of VMware server hosts, Windows and Linux guest servers, and Virtual Desktop Infrastructure (VDI). Additional responsibilities include:

  • Maintaining multiple virtual server clusters and addressing system scan findings, vulnerability management patching, and Active Directory configuration issues.
  • Using enterprise monitoring tools to detect, assess, and respond to alerts.
  • Providing technical support to partner workgroups on overlapping efforts while maintaining strong interdepartmental collaboration.
  • Managing Information Assurance Vulnerability Alerts (IAVAs) and system security scanning in accordance with applicable System Security Plans, ensuring vulnerabilities are identified and remediated quickly and accurately.
  • Initiating IAVA responses and system security scans, completing remediation actions, deploying patches and security updates to designated sites, and executing monthly security scans.
  • Identifying and resolving hardware and software problems.
  • Proactively notifying customers when test infrastructure delays may affect their ability to complete business functions on time and communicating system outages and publishing status updates to users, as needed.
  • Authoring and maintaining clear, accurate, and concise documentation.
  • Responding to calls and emails in a timely and professional manner.
  • Planning and implementing IT enhancements and supporting project-related work.
  • Responding to system administration, operations, and maintenance issues on an on-call basis when required.
Basic Qualifications
  • Must have at least 7 years of Windows administration experience.
  • Must have at least 7 years of experience in information security management, with demonstrated expertise in security governance, risk management, compliance, and operational security functions.
  • Must have at least 5 years of experience with each of the following:
    • Implementing and managing Windows Active Directory and DNS environments
    • Creating and managing Group Policy Objects (GPOs)
    • Microsoft SCCM
    • Microsoft Exchange administration and Exchange Management Shell
  • Must have experience with Windows Command Line, PowerShell, and PowerShell scripting.
  • Strong understanding of advanced security protocols, standards, and information security principles is a must.
  • Experience with software and security architectures.
  • Hands-on experience with IAVA management.
  • Hands-on experience supporting users, optimizing system operations, and monitoring enterprise IT systems.
  • Commitment to best practices, including compliance with maintenance windows and change control procedures.
  • Familiarity with Windows and Linux operating systems, VMware, and networking technologies including switches, routers, LANs, and cabling.
  • Must have strong analytical skills, attention to detail, and the ability to work effectively both independently and as part of a team.
Preferred Qualifications
  • Bachelor's degree in Computer Science, Information Technology, or a related technical field and 12 years of prior relevant experience.
  • Experience documenting and supporting security accreditation and certification activities.
  • Experience with network security technologies, including multi-domain solutions, PKI, SSPs, and vulnerability assessments.
  • Experience with data center design and configuration, including rack-and-stack, power planning, and equipment placement.
  • Experience with VMware.
  • Experience using automation tools such as Ansible or SaltStack.
  • Experience serving in a System Administrator role supporting software configuration management and development environments.

Due to federal contract requirements, United States Citizenship and position appropriate security clearance is required. (e.g. Active TS/SCI security clearance with customer appropriate polygraph).

Salary Range

Coming Soon (Annually)

Annual Compensation Figures listed for this position serve as a general guideline and are not a guarantee of compensation. Compensation will vary dependent upon factors including but not limited to: Government contract rates; education; relevant prior work experience, knowledge, skills, and competencies; certifications, and geographic location.

Benefits Package

Unisity, LLC believes in generously supporting employees as they prepare for retirement. The company automatically contributes an additional 12% of each employee's gross compensation to the company 401k plan, with no requirement for employee matching. All contributions are fully vested from day one, ensuring immediate ownership of retirement funds.

Full-time employees have the option to participate in a variety of voluntary benefit plans including:

  • A Choice of Medical Plan Options, some with Health Savings Account (HSA)
  • Vision and Dental
    • Unisity, LLC provides an additional 12% of employee's gross compensation to be used for benefits, any remaining funds are then forwarded to the employee as taxable income
  • Life and AD&D Benefits (Company Paid)
  • Short and Long-Term Disability (Company Paid)

Unisity, LLC is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Affirmative Action Statement

Unisity, LLC is committed to the principles of affirmative action in all hiring and employment for minorities, women, individuals with disabilities, and protected veterans.

Accommodations

Unisity, LLC is committed to providing an inclusive and accessible hiring process. If you need any accommodations during the application or interview process, please contact us at staffing@unisity.tech. We are happy to provide reasonable accommodations to ensure equal access to all candidates.

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