CDW Corporation

Senior System Administator - TS/SCI Clearance

CDW Corporation • $175K — $220K *
Satellite Beach, FL 32937In-Person
Information Technology
8 - 10 years of experience
Today
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Job Overview by Ladders

Qualifications

  • Active TS/SCI clearance required at hire.
  • U.S. citizenship required.
  • 8+ years in systems administration or enterprise IT.
  • Strong experience with Windows Server and desktop environments.
  • Proficient in Active Directory, DNS, and DHCP administration.
  • Familiar with security standards and vulnerability remediation.
  • Excellent troubleshooting skills for complex system issues.

Responsibilities

  • Administer and troubleshoot Windows Server and desktop environments in secure networks.
  • Manage Active Directory, Group Policy, DNS, and DHCP operations.
  • Conduct system monitoring, performance tuning, and patch management.
  • Install and support operating systems and enterprise applications.
  • Execute standard operating procedures for system configurations and deployments.
  • Ensure compliance with security standards and configuration management.
  • Provide Tier II/III support for escalated incidents involving systems and applications.

Benefits

  • Comprehensive health, dental, and vision insurance.
  • 401(k) plan with company matching contributions.
  • Generous paid time off and holiday schedule.
  • Professional development and training opportunities.
  • Flexible work hours and remote work options.
Full Job Description
The Senior System Administrator will support the administration, maintenance, security, and optimization of mission-critical Windows-based infrastructure in a secure federal environment. This role requires an experienced administrator with strong technical troubleshooting skills, a proactive approach to system performance and reliability, and the ability to operate effectively in environments requiring an active Top Secret/Sensitive Compartmented Information (TS/SCI) clearance.

What You Will Do

  • Administer, maintain, and troubleshoot Windows Server and Windows desktop environments across classified or secure enterprise networks.


  • Manage Active Directory, Group Policy Objects, DNS, DHCP, user accounts, security groups, organizational units, and domain controller operations.


  • Perform system monitoring, performance tuning, capacity planning, patch management, vulnerability remediation, and root cause analysis.


  • Install, configure, upgrade, and support operating systems, enterprise applications, server hardware, and virtualized infrastructure.


  • Develop, maintain, and execute standard operating procedures for system builds, configuration baselines, software deployments, and maintenance activities.


  • Support compliance with applicable security standards, including DISA STIGs, vulnerability scan remediation, change control, and configuration management requirements.


  • Provide Tier II/III support for escalated incidents involving servers, workstations, applications, authentication, permissions, and enterprise services.


  • Use PowerShell or other scripting tools to automate routine administration, reporting, software deployment, and maintenance tasks.


  • Coordinate with cybersecurity, network, engineering, and help desk teams to support secure and reliable system operations.


  • Mentor junior administrators and provide technical guidance on troubleshooting, documentation, and operational best practices.


What We Expect of You

  • Active TS/SCI clearance is required at the time of hire.


  • U.S. citizenship is required due to federal contract and clearance requirements.


  • 8+ years of relevant experience in systems administration, infrastructure operations, or enterprise IT support.


  • Strong hands-on experience administering Microsoft Windows Server and Windows workstation environments.


  • Experience with Active Directory, Group Policy, DNS, DHCP, domain services, user permissions, and enterprise authentication.


  • Experience with patching, vulnerability remediation, system hardening, and applying secure configuration baselines.


  • Ability to troubleshoot complex hardware, software, operating system, authentication, and network-related issues.


  • Experience supporting secure or classified environments, including adherence to change management and documentation requirements.


  • Strong written and verbal communication skills, with the ability to document procedures and brief technical status to stakeholders.


  • DoD 8570/8140 IAT Level II certification, such as Security+ CE, or the ability to obtain/maintain required compliance certification, is a plus.


  • Experience with VMware, Hyper-V, Nutanix, or other enterprise virtualization platforms, is a plus.


  • Experience with Microsoft Endpoint Configuration Manager, SCCM, MECM, PDQ Deploy, or similar software deployment tools, is a plus.


  • Familiarity with ACAS/Nessus vulnerability findings, HBSS/ESS tools, STIG Viewer, and remediation tracking, is a plus.


  • Experience creating or maintaining Windows images, deployment packages, and automated build processes, is a plus.


  • Working knowledge of backup and recovery processes, disaster recovery planning, and continuity of operations support, is a plus.


  • Experience supporting IIS, file services, print services, certificate services, or other Microsoft enterprise services, is a plus.

    Pay range: $175,000 - $220,000 depending on experience and skill set
    Benefits overview: https://cdw.benefit-info.com/
    Salary ranges may be subject to geographic differentials


About CDW Corporation

CDW is a provider of IT solutions for business, government, education, and healthcare. It features dedicated account managers who help customers choose the right technology products and services to meet their needs. The company’s solution architects offer expertise in designing customized solutions, while its advanced technology engineers assist customers with the implementation and long-term management of those solutions. Headquartered in Vernon Hills, Illinois, With a balanced portfolio of 250,000 small-, medium- and large-sized customers, CDW generated net sales of $10.1 billion in 2012, and employs more than 6,800 coworkers in 25 locations across the U.S. and Canada. Founded in 1984 by entrepreneur Michael Krasny, CDW pioneered the business model that melds personalized business-to-business technology distribution with advanced technology services. Today, CDW is ranked No. 31 on Forbes’ list of America’s Largest Private Companies and No. 267 on the FORTUNE 500 list of America’s top companies.

CDW Corporation Careers

Join the vibrant team at CDW Corporation, a leading provider of technology solutions and services, where innovation, leadership, and growth are at the heart of what we do. As a powerhouse in the tech industry, CDW Corporation offers unparalleled job opportunities to both seasoned professionals and those at the start of their careers.

Work You’ll Do

At CDW Corporation, you’ll be part of a culture that cherishes diversity, innovation, and leadership. Our team is composed of over 10,000 strong, dedicated professionals who lead the way in technology and consulting services. We are committed to helping some of the world’s most well-known companies navigate their digital transformation journeys.

Explore Professional Growth and Development

CDW Corporation is not just a company; it's a place where you can shape your future. With a variety of career paths available, your professional growth is supported by robust training programs, diversity training, and opportunities for leadership development. We believe in fostering a culture where innovation thrives and where our employees are encouraged to develop new skills and gain valuable experiences.

Internship Programs

Kickstart your career with CDW Corporation’s dynamic internship programs. These opportunities allow you to apply your skills in real-world scenarios, ensuring you gain the experience and insights needed to excel. Our internships are designed to transform students into professionals by involving them in projects that promote problem-solving, networking, and professional growth.

Join Our Team

Discover the wide range of job opportunities at CDW Corporation, from technology to business management. Each position offers a chance to work on transformative technology solutions while building a career that aligns with your passions and skills.

Benefits of Working at CDW Corporation

Choosing to work at CDW Corporation means opting for a career that comes with competitive benefits designed to support you and your family. These include health, dental, and vision insurance, employee wellness programs, and generous retirement plans. Our commitment to employee well-being is reflected in every aspect of our corporate structure.

Inclusive Hiring Process

Our hiring process is designed to be transparent and inclusive, ensuring that all candidates, regardless of background, feel valued from the initial interview through to potential employment. We look for passionate, curious, and innovative team players who are ready to drive change. Prepare your resume, sharpen your interview skills, and get ready to join a team that’s at the forefront of the technology sector.

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Explore Jobs at CDW Corporation

Search open positions that match your skills and interests on our careers page. Whether you’re looking to contribute your experience or start fresh, CDW Corporation offers a path for you. [SEARCH CDW JOBS] Join CDW Corporation and be part of a team that values professionalism, opportunity, and innovation. Let’s shape the future together!
Learn more about CDW Corporation
Size
13,900 employees
Market Cap
$24.1 billion
Industry
Information Technology
Net Income
$788.4 million
Founded
1984
5 Year Trend
+8.8%
Revenue
$18.4 billion
NASDAQ
CDW
* Ladders Estimates
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