SMX ยท 2 weeks ago
Senior Unix System Administrator (4608)
Patuxent River, MD
Full-time
Hybrid
Mid, Senior Level
$87K/yr - $146K/yr
5+ years expSMX is seeking a driven and experienced Senior UNIX Administrator to support operations at the Patuxent River Data Center. This role involves maintaining the integrity, availability, and security of mission-critical systems across Department of Defense networks, while also mentoring junior staff and collaborating on diverse system solutions.
AnalyticsCloud ComputingCloud Data ServicesCloud SecurityCyber SecurityInformation TechnologyIT ManagementSoftware
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Support operating system and security patching efforts across multiple Department of Defense (DoD) enclaves
Mentor and support junior UNIX/Linux System Administrators by providing technical guidance on task execution, project involvement, and adoption of new technologies
Collaborate with other Data Center teams to design and implement Unix/Linux-based solutions that align with business and mission requirements
Develop, maintain, and improve Ansible playbooks and administrative shell scripts (primarily BASH), both independently and as part of a team
Diagnose and resolve complex technical issues involving applications, server hardware, firmware, operating systems, and storage, working across functional teams and vendors
Participate in a rotating on-call schedule to support operational continuity
Take ownership of system outages, drive resolution, and provide timely, clear communication on status and outcomes
Manage incidents and service requests through the ticketing system, ensuring resolution is completed accurately and on time
Participate in technical meetings with customers to gather requirements and provide input on architecture and project solutions
Qualification
Required
Clearance: Secret - Must be able to obtain and maintain a DoD Top Secret clearance; Interim Secret required to start
Experience: Minimum of five (5) years of relevant IT experience required
Must be able to support on-site two (2) days per week at Patuxent River, MD (PRDC)
Security+ (or equivalent IAT Level II certification) required to start
Proficient with UNIX/Linux environments, including RHEL 8/9 and Solaris
Experience with AWS core services such as EC2, S3, VPC, IAM, SSM, and AWS Systems Manager Distributor
Proficiency with BASH shell scripting
Experience with Ansible and YAML playbooks (preferred)
Experience with Red Hat Satellite or Foreman
Working knowledge of DoD IA practices, including Security Technical Implementation Guides (STIGs) and the Risk Management Framework (RMF)
Strong analytical skills and the ability to resolve complex, multi-layered technical issues using vendor documentation and in-house tools
Clear and concise verbal and written communication skills
Ability to work both independently and in a team environment across multiple assignments
Comfortable engaging directly with customers, peers, and leadership in a dynamic and evolving data center setting
Preferred
Experience with Ansible and YAML playbooks
Familiarity with Identity Management (IdM) solutions
Bachelor's degree in a related technical field
Experience with Red Hat Identity Management (IdM) or FreeIPA
Broader exposure to AWS beyond core services
Senior-level experience with Solaris system administration
Benefits
Health insurance
Paid leave
Retirement
Company
SMX
SMX is a provider of information technology (IT), services, and advanced engineering with a focus on Cloud Solutions.
1001-5000 employees
Funding
Current Stage
Late StageLeadership Team
Peter LaMontagne
Chief Executive Officer
Recent News
2025-11-24
Precedence Research
2025-11-18
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