At Dobbs Defense, we deliver mission-centric IT, Cyber, and data analytics solutions for our government and commercial clients through the convergence of automation, innovation, training, and education. Delivering high-quality IT, cybersecurity, and data analytics solutions through proven and innovative methods is our vision.
Job Description:
Dobbs Defense Solutions is seeking a Linux System Administrator to provide technical support to the Fort George G. Meade. The role includes administering and securing RHEL systems in a classified DoD lab, supporting test environments, and working directly with Government personnel and mission customers.
Duties:
- Install, configure, secure, and troubleshoot Red Hat Enterprise Linux (RHEL) systems.
- Manage and maintain YUM servers and internal package repositories.
- Apply DISA STIGs, run SCAP scans, and implement remediations.
- Conduct ACAS/Nessus vulnerability scans and support RHEL patching and compliance.
- Provide limited support for DNS and IPv6 configuration.
- Perform basic administration within VMware 6.7 environments.
- Support cross platform coordination with Windows Server 2016, Active Directory, and domain services.
- Operate systems on SIPR and other classified networks while adhering to all DoD security requirements.
- Maintain system documentation, procedures, and configuration records.
- Work collaboratively with Government staff, lab engineers, and end customers.
Required Education and Experience:
- 5+ years of hands-on Linux administration experience, specifically with RHEL 9
- 3–5 years of VMware experience in enterprise environments
- 3–5 years of ACAS experience, including Security Center and vulnerability remediation
- Strong Red Hat Enterprise Linux (RHEL) administration, patching, and troubleshooting background.
- Strong proficiency with Linux command-line tools and scripting
- Experience with system patching and vulnerability remediation processes
- Experience with YUM, DISA STIGs, SCAP, and ACAS/Nessus.
- Familiarity with DNS, IPv6, VMware 6.7, and Windows/AD environments.
- Previous experience working in classified DoD environments and SIPR, classified environment experience.
- At least one active certification (e.g., Security+, CISSP, CISM, CASP, or equivalent)
- YUM Server configurations and administration experience
- Technical degree is a plus
On Site
Required Clearance:
Active Secret
Our Equal Employment Opportunity Policy:
Dobbs Defense Solutions is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth or breastfeeding), sexual orientation, gender or gender identity (except where gender is a bona fide occupational qualification), gender expression and transgender status, national origin, ancestry, age, disability, military or veteran status, marital or domestic partner status, genetic information, citizenship, low-income status or any other status or characteristic protected by applicable law. We are committed to equal employment opportunity in all decisions related to employment, promotion, wages, benefits, and all other privileges, terms, and conditions of employment.
Salary Range:
Pay range information will be disclosed consistent with applicable state and local pay transparency laws once available. For this position, the anticipated salary range will depend on experience, qualifications, and overall fit for the role.
Skills Required
- Minimum 5 years of Linux system administration experience
- Active Security+ CE certification
- Experience with YUM, DISA STIGs, SCAP, ACAS/Nessus
- Familiarity with VMware 6.7 and Active Directory
What We Do
We work with government and commercial customers to develop enterprise IT, cyber, and analytics solutions. We are committed to supporting our customers’ missions. Our focus is to invest in an experienced workforce that delivers premier solutions to meet customers’ business and technical requirements. Dobbs Defense Solutions, LLC is a Service-Disabled, Veteran-Owned Small Business (SDVOSB). The company is registered with the U.S. Department of Veterans Affairs (VA) Center for Veterans Enterprise (CVE), and SDVOSB status has been validated by the VA. The company is headquartered in Rockville, Maryland with a portfolio of Department of Defense (DoD) clients that are centered on information technology, and cybersecurity programs. Dobbs Defense Solutions, LLC is an 8(a) certified Minority Owned Business, Economically Disadvantaged Women Owned Small business (EDWOSB), Women Owned Small Business (WOSB), and SDVOSB. Our executives and employees have more than 35 years of proven experience in information technology (IT), cybersecurity, business intelligence (BI), and project/program management (PM). D2S focuses on delivering IT, BI, cybersecurity, and PM capabilities by employing professional services with exceptional results.
