System Administrator

J2E Technology LLC is a Women/Veteran-Owned Small Business that has been delivering innovative, tailored digital engineering solutions since 2015. We proudly serve federal and commercial clients, aligning our mission with our tagline: “bringing digital engineering to life, your way.” We are driven by collaboration, efficiency, and user-focused design that meets the evolving needs of our clients.OverviewJ2E Technology is seeking a Systems Administrator to support enterprise systems administration efforts for a Department of Defense (DoD) program. This position requires a current, verifiable Top Secret (TS) security clearance.The Systems Administrator will be responsible for configuring, maintaining, and troubleshooting server infrastructure, enterprise applications, and supporting systems within secure environments. The role will primarily focus on server administration, system performance, and security compliance, with additional responsibilities supporting end-user IT needs, desktop troubleshooting, and equipment deployment.The ideal candidate will have a solid foundation in Windows and Linux systems administration, strong troubleshooting skills, and the ability to support both infrastructure and end-user technology needs in a secure, collaborative environment.Key ResponsibilitiesSystems Administration & MaintenanceAdminister, configure, maintain, and troubleshoot Windows and Linux server environments.Monitor system performance, security, and availability; perform routine maintenance, patches, updates, and upgrades.Support server infrastructure and virtualized environments, including VMware.Assist with the administration and troubleshooting of OpenShift environments.Support Product Lifecycle Management (PLM) systems, including Aras, CMPRO, and Teamcenter.Troubleshoot and support applications utilizing Oracle databases, ColdFusion, Bitvise, and Toad.Assist with system backups, recovery procedures, and overall infrastructure reliability.IT Support & Help DeskProvide technical support for end users, including desktop and laptop troubleshooting, software issues, and connectivity problems.Configure, deploy, and maintain laptops, workstations, and other IT equipment.Troubleshoot and support local VPN connectivity and remote access.Assist with Microsoft Entra ID (Azure AD), Microsoft 365, and Office 365 administration and troubleshooting.Support user account management, permissions, access requests, and authentication issues.Respond to help desk requests, troubleshoot reported issues, and escalate complex problems as needed.Collaboration Tools & Workflow SupportSupport collaboration platforms, including Jira and Confluence, used by engineering and development teams.Assist with application configurations, user access, and troubleshooting.Collaborate with internal teams to resolve technical issues and improve system functionality.Security & ComplianceEnsure systems are maintained in accordance with DoD cybersecurity requirements and internal IT security standards.Apply system hardening practices and support compliance with DISA Security Technical Implementation Guides (STIGs).Maintain adherence to security protocols for classified systems and sensitive information.Assist with system monitoring, vulnerability remediation, and security-related updates.Integration & Process ImprovementSupport integration and connectivity between enterprise applications and infrastructure.Identify opportunities to improve system performance, reliability, and operational efficiency.Maintain technical documentation, system configurations, and troubleshooting procedures.Work collaboratively with team members to support ongoing IT operations and system improvements.QualificationsEducation and ExperienceActive Top Secret (TS) security clearance required.Must reside or be willing to relocate to San Diego.Bachelor's degree in Information Systems, Computer Science, Engineering, or a related field, or equivalent relevant professional experience.Previous experience in systems administration, IT infrastructure support, or a related technical role, preferably within secure or classified environments.CompTIA Security+ certification required.Linux baseline certification required.Required SkillsWorking knowledge of Linux distributions such as Ubuntu, CentOS, RHEL, or Debian.Experience administering and troubleshooting Windows Server environments.Familiarity with Active Directory, Group Policy, and PowerShell scripting.Understanding of system hardening and DISA STIG compliance in Windows and/or Linux environments.Experience troubleshooting server, network, and application issues.Ability to perform desktop and laptop troubleshooting, equipment setup, and software installations.Familiarity with VPN connectivity, Microsoft Entra ID, and Microsoft 365 administration.Ability to work within strict security and compliance requirements.Strong communication, organization, and problem-solving skills.Preferred SkillsExperience with VMware virtualization and OpenShift environments.Experience supporting DoD or federal IT programs.Familiarity with Jira, Confluence, and related administration or configuration.Experience supporting PLM systems such as Aras, CMPRO, or Teamcenter.Familiarity with Oracle databases and tools such as Toad.Exposure to ColdFusion application support and Bitvise SSH/SFTP tools.Experience with server patching, system monitoring, backups, and recovery processes.Additional industry certifications such as CISSP, Microsoft, Red Hat, VMware, or other relevant systems administration certifications.Why J2E Technology LLC?We foster a culture of collaboration, innovation, and professional growth.We serve a diverse range of clients, including both federal and commercial sectors.We embrace a hybrid work model, ensuring flexibility for our team members.We cultivate a fun and engaging workplace culture.We offer competitive benefits, including bonuses, paid health insurance, a 401(k) match, and a salary range of $100,000 – $130,000.All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, gender identity, disability, or veteran status.