Systems Administrator Security Clearance

Position: Systems Administrator with Security Clearance
Markon is seeking an experienced Systems Administrator to support and maintain enterprise IT infrastructure in a secure, mission-focused environment. The ideal candidate will have deep experience managing Linux and Windows environments, implementing security best practices, and supporting complex server ecosystems. Responsibilities
* Monitor system logs, applications, and infrastructure health on a daily basis; implement automation wherever possible
* Perform system backups and data archiving in accordance with Sponsor-approved schedules
* Harden Linux systems following information security engineering principles and industry best practices
* Maintain and administer enterprise server environments, including:
* Windows Servers
* Linux Servers
* Oracle Database Servers
* Apache Servers
* DNS Servers
* Domain Controllers
* Apply server patches and operating system updates in accordance with ISSM requirements; automate patching processes when feasible
* Assist with hardware and software procurement, installation, and implementation
* Manage software licensing and ensure renewals are completed in a timely manner
* Obtain required Sponsor waivers as needed
* Submit Discrepancy Reports (DRs) and Requests for Change (RFCs) through appropriate channels
* Collaborate closely with the Information Systems Security Manager (ISSM) and customer security teams
* Recommend and implement improvements to system reliability, availability, and maintainability Qualifications
* Active TS/SCI w/ Full Scope Polygraph
* Minimum 10 years of experience in configuration management and enterprise systems administration
* Bachelor's degree (or higher) in Computer Science, Information Systems, Engineering, Mathematics, or a related technical field
* Demonstrated team-based experience supporting:
* Linux and Windows servers
* Oracle database servers
* DNS servers and domain controllers
* Network storage devices
* HP servers
* Experience designing, configuring, and installing enterprise information systems including routers, switches, servers, storage systems, and end-user devices
* Experience designing and implementing Microsoft Windows-based domains Desired Qualifications
* Experience supporting the full Dev Ops lifecycle, including build pipeline integration, automated deployments, compliance scanning, and test-driven development
* Experience deploying, provisioning, operating, and maintaining Linux environments (CentOS and Ubuntu)
* Experience implementing and maintaining systems in compliance with Information Security (INFOSEC) and Information Assurance (IA) policies (e.g., ICD 503)
* Experience implementing development and testing automation tools and IT infrastructure solutions
* Experience managing virtualized infrastructure environments Salary Range USD $ - USD $ /Yr. The Markon pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Overview Eager to join a team where your skills are valued, your growth is nurtured, and your impact is profound? Look no further than Markon, a premier consulting firm deeply dedicated to advancing our nation's most critical missions. At Markon, we don't just offer jobs - we offer opportunities for personal and professional transformation. Empowering our employees to lead, innovate, and excel, we foster an environment where new ideas are not just welcomed but celebrated.

As a perennial Washington Post Top Workplace, we prioritize the well-being and success of our team members, ensuring they can bring their best selves to work. Headquartered in Falls Church, Virginia, Markon has garnered national recognition for our unwavering dedication to excellence in serving the intelligence community, as well as federal civilian and defense agencies. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.

Markon values people and the tremendous impact each individual can make - which is why we're consistently recognized as one of the best places to work in federal government consulting. Here, you can help solve the nation's most important challenges, surrounded by colleagues who help you grow, advance, and succeed. We are deeply dedicated to what matters - bringing out the best in each other to advance our clients' missions.

Join us and make a meaningful impact. Markon is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, national origin, age, protected veteran status, or disability status. This job posting will remain open until the position is…