**Job Description:** AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers’ mission. Intelink Services provide interagency information sharing, content discovery, and collaboration capabilities on the IC system domains to the IC and its partners in Defense, Homeland Security, Foreign Affairs, and Law Enforcement. **AT&T has an opening for a Windows System Administrator** to support Public Sector Solutions. **This position requires office presence a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered.** **Description of Job Duties/Responsibilities:** + Support implementation, troubleshooting and maintenance of Windows servers (2012, 2016, and 2019), including the provisioning of a Windows 11 VDI infrastructure for enclave access and program support. + Support Intelink IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, etc. Provides Tier 2 and Tier 3 problem identification, diagnosis and resolution. + Escalation and communication of status to agency management and internal customers. + Provides Tier 2 (Escalation) problem identification, diagnosis and resolution of problems. Creates and updates ServiceNow tickets accordingly. + Manages GPOs, applies security and system patching and coordinates/supports all service leads utilizing Windows servers across the Intelink program. + Configures and manages Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance. + Will be comfortable in all areas of analysis, design, installation, implementation, configuration, tuning, administration, operation, and security of mid-to-large-tier Windows systems. + Be knowledgeable in the following categories: Power shell, Microsoft Exchange, Microsoft Active Directory, Trelix ePolicy Orchestrator, Virtualization and VMWare, and Amazon Web Services. + Optimize system operations and resource utilization and performs system capacity analysis and planning. + Analyzes and resolves complex problems associated with servers, windows applications, and software integration. + May be required to respond to after-hours requests as required in a 24 x 7 environment. + Work to be performed in Laurel, MD. **Required Clearance:** TS/SCI with polygraph. (#ts/sci) (#polygraph) **Required Qualifications:** Five (5) years experience in programs and contracts of similar scope, type, and complexity within the Federal Government is required. Bachelor’s degree in a technical discipline from an accredited college or university is required. (NOTE: Five (5) years of additional system administration experience may be substituted for a bachelor’s degree). Compliance with DoD 8570.01-M with a minimum certification of IAT Level I (SEC+, A+, NET+, CCNA) **Ready to join our team? Apply Today!** Our Windows System Administrator (SA1) (Government) earns between **$79,300 - $152,600** yearly. Not to mention all the other amazing rewards that working at AT&T offers. Individual starting salary within this range may depend on geography, experience, expertise, and education/training. Joining our team comes with amazing perks and benefits: + Medical/Dental/Vision coverage + 401(k) plan + Tuition reimbursement program + Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays) + Paid Parental Leave + Paid Caregiver Leave + Additional sick leave beyond what state and local law require may be available but is unprotected · Adoption Reimbursement + Disability Benefits (short term and long term) + Life and Accidental Death Insurance + Supplemental benefit programs: critical illness/accident hospital indemnity/group legal + Employee Assistance Programs (EAP) + Extensive employee wellness programs + Employee discounts up to 50% off on eligible AT&T mobility plans and accessories, AT&T internet (and fiber where available) and AT&T phone **Weekly Hours:** 40 **Time Type:** Regular **Location:** Columbia, Maryland It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T will consider for employment qualified applicants in a manner consistent with the requirements of federal, state and local laws We expect employees to be honest, trustworthy, and operate with integrity. Discrimination and all unlawful harassment (including sexual harassment) in employment is not tolerated. We encourage success based on our individual merits and abilities without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, disability, marital status, citizenship status, military status, protected veteran status or employment status