Principal System Administrator

Principal Systems AdministratorAt Applied Signal Technology (AST), the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. Our team solves tough, meaningful problems that create a safer, more secure world. AST is seeking a Principal Systems Administrator to join our team.This is an ONSITE role at our San Jose, CA location.What You Will DoProvide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment.Understanding and knowledge of Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods.Working as a team member in a fast-paced technological environment. Use troubleshooting techniques to resolve technical problems of a moderate to high scope and complexity to include the integration of hardware and operating systems (OS).Work with Cybersecurity professionals to maintain security requirements.Provide documentation and training on advanced IT processes and procedures and other tasks as assigned.Must be able to obtain certification requirements (CompTIA Security+ CE or equivalent certification) within a reasonable amount of timeSystems are operational 24x7 and occasionally require work effort beyond standard work hours.Travel required as business needs dictate to other US Domestic locations, up to 10% per year.Qualifications You Must HaveTypically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experienceExperience with Windows and Linux Operating systems.Experience with scripting.Experience with helpdesk operations, ticket troubleshooting and resolution.Experience with audit logs collection.Experience with system hardening.Experience with working in a team environment and collaborating with others.Experience working face to face with others and being comfortable in a demanding environment.Active and transferable U.S. government issued Top Secret SCI (TS/SCI) security clearance is required prior to start date with the ability to obtain a polygraph after start.U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.What We OfferMedical, dental, and vision insuranceThree weeks of vacation for newly hired employeesGenerous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy optionTuition reimbursement programStudent Loan Repayment ProgramLife insurance and disability coverageOptional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protectionBirth, adoption, parental leave benefitsOvia Health, fertility, and family planningAdoption AssistanceAutism BenefitEmployee Assistance Plan, including up to 10 free counseling sessionsHealthy You Incentives, wellness rewards programDoctor on Demand, virtual doctor visitsBright Horizons, child and elder care servicesTeladoc Medical Experts, second opinion programEligible for relocationAnd More!