**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. MAROONMIDNIGHTS (MMN) is focused is on Directory Infrastructure Services (Active Directory (AD), Exchange, Identity Management, etc.), Enterprise Defense Services (Access Control, Security Services, etc.), and Desktop and Enclave Services (Application Services, Enclave Support Services, Systems Administration, etc.) to enable organizations to execute their Enterprise IT (EIT) mission obligations. **AT&T has an opening for a System Administrator:** To support implementation, troubleshooting and maintenance of information Technology (IT) systems Enterprise IT (EIT) mission obligations. 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:** Provides support for implementation, troubleshooting and maintenance of information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. + Provides Tier 1 (Help Desk) and Tier 2 and Tier 3(Escalation) problem identification, diagnosis and resolution of problems. + Provides support for the escalation and communication of status to agency management and internal customers. + Provides support for the dispatch system and hardware problems and remains involved in the resolution process. + Configures and manages UNIX, Linux and 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. + Provide support for implementation, troubleshooting and maintenance of IT systems. + Manage the daily activities of configuration and operation of IT systems. + Provide Tier 1 (Help Desk) problem identification, diagnosis and resolution of problems. + Provide assistance to users in accessing and using IT systems. + Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems. + Perform account management, e.g. establishing, activating, modifying, disabling, and removing accounts. + Provide configuration management, implementation, and sustainment of compliance with applicable system security controls. + Perform periodic vulnerability scans of systems. + Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all client/server/storage/network devices, mobile devices, etc. + Implement IAVA security patches and ensure patch status is recorded in appropriate systems of record. + Provide support for the escalation and communication of status to agency management and internal customers. + Optimize system operations and resource utilization and perform system capacity analysis and planning. **Required Clearance:** TS/SCI with polygraph. (#ts/sci) (#polygraph) **Required Qualifications:** Bachelor’s degree in a technical discipline from an accredited college or university is required. (NOTE: Four (4) years of additional SA experience may be substituted for a bachelor’s degree). Five (5) years' experience as a SA in programs and contracts of similar scope, type, and complexity is required. Two (2) years of experience with Service Management (ITSM) is required. Requires DoD 8570 compliance with Information Assurance Technical (IAT) Level I certification taken from the list below: + A+ CE + CCNA-Security + CND + Network+ CE + SSCP ADDITIONALLY: A Computing Environment (CE) Certification. The CE certification requirements can be fulfilled with either **Microsoft OS, Cent OS/Red Hat OS CE certifications.** **Ready to join our team? Apply today!** **Our System Administrator (SA1) (Government) earns between $89,200 - $141,505 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) *Pro-rated when working less than 40 hrs/wk.** **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 is a fair chance employer and does not initiate a background check until an offer is made. 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