Senior Systems Administrator III – Secure Gov Infra

Trace3; Linthicum (MD); On-site; USD 110,000 - 135,000; Full time

Benefits offered by this job

Comprehensive health plans (medical, d

401(k) with employer match

529 College Savings Plan

Health Savings Account

Life Insurance

Long-Term Disability

Competitive compensation

Training & development

Office snacks and beverages

Collaborative culture

Generous PTO

Job summary

Trace3 is seeking a Systems Administrator III to deliver advanced system administration, maintenance, and support for federal, state, and local clients across on-premises and cloud environments. You will ensure availability, performance, and security while collaborating with engineering and cybersecurity teams to sustain mission-critical operations.

Responsibilities include Windows/Linux administration, patching, AD/DNS/DHCP, virtualization, storage, cloud provisioning, and incident response.

Qualifications

• Bachelor’s degree in Information Technology, Computer Science, or equivalent experience.
• 8+ years of hands-on system administration experience supporting Windows and/or Linux environments.
• Knowledge of cybersecurity practices, STIG/SCC tools, and vulnerability remediation.
• Ability to obtain and maintain a U.S. government security clearance (Secret or higher as required).
• DoD 8570/8140 Baseline Certification (e.g., Security+, CCNA Security, CySA+, or equivalent).
• Experience supporting federal, state, local, or DoD client environments.
• Familiarity with RMF, NIST 800-53, CMMC, or FedRAMP compliance frameworks.
• Microsoft, VMware, AWS, or Azure technical certifications (MCSA/MCSE, VCP, AWS Solutions Architect, Azure Administrator, etc.).
• Experience with automation/scripting (PowerShell, Bash, Python).
• Experience with configuration management (Ansible, SCCM/MECM, Chef, or Puppet).

Responsibilities

• Administer, configure, and maintain Windows and/or Linux servers in production, staging, and development environments.
• Perform advanced troubleshooting of system, network, and application issues.
• Monitor system performance, availability, and capacity; optimize accordingly.
• Manage patching, updates, and server lifecycle tasks per government security requirements.
• Support Active Directory, DNS, DHCP, and identity management.
• Administer virtualization platforms (VMware, Hyper-V).
• Manage storage, backups, and disaster recovery procedures.
• Support cloud environments (Azure, AWS, GCC High) including provisioning, monitoring, and policy enforcement.
• Provide Tier II/III support for escalated tickets and create runbooks and SOPs.
• Collaborate with cybersecurity and cloud engineering teams to resolve cross-functional issues.

Skills

Windows

Linux

Security practices

RMF/NIST 800-53/CMMC

PowerShell/Bash/Python

Automation/SCCM

Education

Bachelor’s degree or equivalent

Tools

VMware ESXi/Hyper-V

Azure/AWS

Job description

Trace3 is seeking a Systems Administrator III to deliver advanced system administration, maintenance, and support for federal, state, and local clients across on-premises and cloud environments. You will ensure availability, performance, and security while collaborating with engineering and cybersecurity teams to sustain mission-critical operations.

Responsibilities include Windows/Linux administration, patching, AD/DNS/DHCP, virtualization, storage, cloud provisioning, and incident response.