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Senior System Administrator Jobs in Silver Spring, MD

Staffed4U

Senior System Administrator

Columbia, MD · On-site

$83K - $113K/yr

System Administrator - Level III Location: Columbia, MD Employment Type: Full-time Experience Level: Senior (9+ years) Security Clearance: Active TS/SCI with polygraph required Position Overview ...

Vibrint

Senior System Administrator

Hanover, MD · On-site

$175K - $191K/yr

We are seeking a Senior System Administrator for a funded role with quantifiable Linux system administration work experience to support a mission focused team. Position requires an active TS/SCI with ...

Vibrint

Senior System Administrator

Hanover, MD · On-site

$175K - $191K/yr

Join Vibrint, where your career is a priority, and your future is our shared goal. _____ We are seeking a Senior System Administrator for a funded role with quantifiable Linux system administration ...

Vibrint

Senior System Administrator

Hanover, MD

$84K - $114K/yr

Join Vibrint, where your career is a priority, and your future is our shared goal. _____ We are seeking a Senior System Administrator for a funded role with quantifiable Linux system administration ...

Analytica

Senior System Administrator

Silver Spring, MD · On-site

$88K - $120K/yr

Analytica is seeking a seasoned and adaptable Senior System Administrator to join our infrastructure team in supporting an innovative federal mission. In this role, you will provide high-level ...

AT&T

TAC20-75 Sr. System Administrator

Reston, VA · On-site

$89K - $121K/yr

Shift Type Core Hours Job Title TAC20-75 Sr. System Administrator Education High School Location Reston, VA - US (Primary) Career Level Skill Level 3 Category ATP - Engineer VI Date Needed By Job ...

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All JobsSystem Administrator JobsSenior System Administrator JobsSenior System Administrator Jobs in Silver Spring, MD

Senior System Administrator information

See Silver Spring, MD salary details

$50.7K

$105.7K

$148.3K

How much do senior system administrator jobs pay per year?

As of Aug 6, 2026, the average yearly pay for senior system administrator in Silver Spring, MD is $105,682.00, according to ZipRecruiter salary data. Most workers in this role earn between $88,900.00 and $120,400.00 per year, depending on experience, location, and employer.

What are some common challenges a senior system administrator may encounter when managing hybrid cloud environments?

Senior System Administrators often face challenges balancing on-premises infrastructure with cloud-based resources, which can include ensuring consistent security policies, managing data synchronization, and monitoring system performance across multiple platforms. They must also stay updated on evolving technologies and compliance requirements, as well as collaborate closely with development, security, and networking teams. Addressing these complexities requires strong problem-solving skills, robust documentation practices, and a proactive approach to both troubleshooting and automation.

What does a senior system administrator do?

A Senior System Administrator is responsible for managing, maintaining, and securing an organization's IT infrastructure, including servers, networks, and related systems. They oversee the installation and configuration of hardware and software, troubleshoot complex technical issues, and ensure the reliability and performance of IT services. Senior System Administrators also implement security policies, perform regular system updates, and may supervise junior IT staff. Their expertise is essential for minimizing system downtime and protecting data integrity.

What are the key skills and qualifications needed to thrive as a senior system administrator, and why are they important?

To thrive as a Senior System Administrator, you need in-depth knowledge of operating systems, networking, security protocols, and significant experience managing IT infrastructure, usually backed by a degree in computer science or related certifications (such as CompTIA, Microsoft, or Cisco). Expertise with tools like VMware, Active Directory, PowerShell, and cloud platforms (AWS, Azure) is typically required. Strong problem-solving skills, attention to detail, and effective communication are crucial soft skills for this role. These abilities ensure reliable system performance, minimize downtime, and support the technology needs of an organization.

What is the difference between Senior System Administrator vs Network Administrator?

AspectSenior System AdministratorNetwork Administrator
CertificationsCompTIA Server+, Microsoft Certified: Windows Server, Cisco CCNACompTIA Network+, Cisco CCNA, Cisco CCNP
Work EnvironmentData centers, enterprise IT environments, server managementNetwork infrastructure, routing, switching, network security
ResponsibilitiesServer deployment, maintenance, troubleshooting, system upgradesNetwork setup, monitoring, troubleshooting, security management

While both roles require networking and system knowledge, Senior System Administrators focus on server and system management, whereas Network Administrators specialize in network infrastructure. Both roles are essential in enterprise IT, often collaborating to ensure seamless technology operations.

What are the most commonly searched types of System Administrator jobs in Silver Spring, MD? The most popular types of System Administrator jobs in Silver Spring, MD are:
What cities near Silver Spring, MD are hiring for Senior System Administrator jobs? Cities near Silver Spring, MD with the most Senior System Administrator job openings:
Senior System Administrator jobs near you
Infographic showing various Senior System Administrator job openings in Silver Spring, MD as of July 2026, with employment types broken down into 1% As Needed, 81% Full Time, 15% Part Time, 1% Temporary, and 2% Contract. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution, with an average salary of $105,682 per year, or $50.8 per hour.

Senior System Administrator

Staffed4U

Columbia, MD • On-site

$83K - $113K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 15 days ago

Job description

System Administrator – Level III

Location: Columbia, MD
Employment Type: Full-time
Experience Level: Senior (9+ years)
Security Clearance: Active TS/SCI with polygraph required

Position Overview

Description: You will support CNO Capabilities as a senior System Administrator and technical contributor responsible for sustaining and evolving a high-performance operational IT environment. This is not a ticket only administrator role. We are looking for someone who takes ownership of systems, documents with precision, builds strong relationships, and actively looks for ways to improve how engineers work every day. This role requires a forward leaning professional who enjoys working directly with users, optimizing workflows, and building repeatable processes that make future efforts faster and more efficient.

Responsibilities: 

  • Install, configure, and maintain high performance compute hardware, including NVIDIA H100, H200, and B300 class accelerator platforms.

  • Uninstall and relocate existing equipment to a government data warehouse while ensuring configuration integrity and proper tracking.

  • Lead installation and sustainment efforts for new and legacy hardware within the warehouse environment.

  • Document installation procedures, configurations, and lessons learned to create repeatable, scalable deployment playbooks.

  • Develop strong working relationships with onsite System Administrators at the warehouse to streamline troubleshooting and escalate priorities when mission timelines require it.

  • Identify gaps in onsite support coverage and recommend improvements to reduce downtime and response time.

  • Partner directly with contract engineering teams to optimize system performance and user workflows.

  • Maintain detailed technical documentation, diagrams, and standard operating procedures with a level of clarity that allows another engineer to step in seamlessly.

  • Support virtualization efforts and contribute to long term IT modernization strategies.

  • Adapt as mission requirements evolve, including future support for AWS, cloud integrations, and Large Language Model infrastructure.

Skills Requirements: 

  • Strong Linux systems administration experience in operational environments.

  • Experience installing and maintaining GPU accelerated or high performance compute systems, particularly NVIDIA enterprise class hardware.

  • Demonstrated ability to document technical processes clearly and professionally.

  • Experience working within structured data center or warehouse environments.

  • Familiarity with virtualization technologies and hypervisors.

  • Ability to troubleshoot hardware and software issues across networked systems.

  • Strong communication skills and experience interacting directly with mission users.

  • Proven ability to operate independently while coordinating effectively with distributed support teams.

Nice to Haves: 

  • Forward leaning mindset with enthusiasm for improving user experience.

  • Comfort working hands on with hardware in a warehouse environment.

  • Relationship builder who understands that mission success depends on strong coordination with onsite support teams.

  • Flexible and growth oriented, with interest in expanding into cloud, AWS, and LLM support over time.

  • Commitment to building documentation and processes that make tomorrow’s installs faster than today’s.

Benefits & Total Compensation

Compensation & Retirement

  • Highly competitive base salary
  • Performance-based bonus opportunities
  • Employee referral bonus program (up to $10,000 per referral)
  • 401(k) and Roth retirement plans with up to 10% profit-sharing contribution

Paid Time Off & Leave

  • 25 days of paid time off annually
  • PTO buy-back program
  • 11 paid holidays annually (with flexible scheduling options)
  • 3 additional paid site closure days per year
  • Paid bereavement leave
  • Paid parental leave:
    • 8 weeks childbirth leave for birthing parent
    • 4 weeks bonding leave for all parents (birth or adoption)

Health & Insurance

  • 100% employer-paid medical, dental, and vision coverage for employees and eligible dependents
  • Health Savings Account (HSA) and Flexible Spending Accounts (medical, dependent care, limited purpose)
  • Company-paid basic life insurance
  • Short-term and long-term disability coverage

Education & Professional Development

  • Unlimited company-funded training courses and industry conferences
  • Education assistance and continuing education support
  • Up to 5 paid training days per year

Additional Benefits

  • Company-provided apparel
  • Regular company-sponsored events, including family-friendly gatherings and social events
  • Annual holiday celebration

Benefits are subject to change based on contract and organizational policies.

Additional Information
  • This position requires work to be performed on-site in a secure environment
  • Candidates must maintain an active security clearance
  • U.S. citizenship may be required based on contract requirements

Equal Opportunity Employer

We are an Equal Opportunity Employer and consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran status, or disability.