Systems Engineer (Linux)

We are seeking experienced Systems Engineers to join a growing technology team responsible for designing, implementing, and supporting mission-critical infrastructure and internal enterprise services. This role is ideal for professionals who enjoy building and maintaining secure, self-hosted environments utilizing open-source technologies, Linux systems, virtualization, and automation tools., * Design, deploy, and maintain Linux-based infrastructure and enterprise services

• Provide Tier 2 and Tier 3 technical support for internal systems and applications
• Administer and support self-hosted open-source platforms and services
• Evaluate hardware and software solutions and provide technical recommendations
• Implement software updates, security patches, and system upgrades
• Monitor system performance, troubleshoot issues, and optimize reliability
• Collaborate with end users and stakeholders to identify opportunities for service improvements
• Support virtualization, containerization, and configuration management initiatives
• Assist with infrastructure automation and operational efficiency projects

• Bachelor's degree in Computer Science, Computer Engineering, Information Systems, or a related field and 5+ years of experience, OR equivalent professional experience
• Mid-Level: 5+ years of relevant experience
• Senior-Level: 8+ years of relevant experience
• U.S. Citizenship required with the ability to obtain a Security Clearance
• Ability to work onsite in Leesburg, VA five days per week
• Strong experience administering Linux-based systems and services
• Experience deploying software, patches, and upgrades in self-hosted environments
• Experience with configuration management tools
• Experience with virtualization and containerization technologies
• Strong working knowledge of Linux servers and macOS environments

Preferred Qualifications

• Experience administering and tuning open-source technologies such as:

• Apache
• NGINX
• OpenSearch
• Nextcloud
• Zabbix
• AWX
• Squid Proxy

• Experience with monitoring and alerting platforms such as:

• Zabbix
• Nagios
• Similar open-source monitoring solutions

• Scripting and automation experience using:

• Bash/Shell
• Python
• Perl
• PHP

• Knowledge of:

• PKI and Certificate Authorities (CA)
• S/MIME
• Secure communications and authentication technologies

Additional Experience Desired

Experience deploying, maintaining, or supporting common enterprise services, including:

• Email systems (Postfix, Dovecot, etc.)
• Calendar platforms (CalDAV)
• Chat and collaboration tools
• Password management solutions
• Proxy servers
• Video teleconferencing (VTC) systems
• File sharing platforms
• Wiki and knowledge management systems

• Work with modern open-source technologies and self-hosted infrastructure
• Solve complex technical challenges in a highly collaborative environment
• Contribute to the design and evolution of critical enterprise services
• Opportunity for growth and advancement within a technically driven organization

The Midtown Group 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. We are a small, woman-owned business certified by the Women's Business Enterprise National Council (WBENC). Operating from our headquarters in Washington, DC, we provide trusted staffing services nationwide. Our clients include thousands of the most prestigious Fortune 500 companies, law firms, financial organizations, tech innovators, non-profits, and lobbying firms, as well as federal, state and local government agencies.