**Job Description:** **This position requires office presence of a minimum of 5 days per week and is only located at customer's site. No relocation is offered.** 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. Our Team provides Federal Government O&M support of contracted operations. AT&T has an opening for a Sr. Specialist, Systems Administration to support the Federal Government in providing O&M / PM support of contracted operations. **Job Duties/Responsibilities:** + Strong knowledge of video conferencing management & troubleshooting. Able to work with SIP, H323, firewall traversal, call routing, Pexip Infinity, Poly Clariti, and integrate with cloud conferencing platforms like Teams, Zoom, Google Meet, WebEx. + Understand and can troubleshoot IP network connections involving entities like firewall, DNS, IP ports, network routing, QOS, VPN, Zscaler, latency, jitter, packet loss. + Able to architect projects and provide technical recommendations about emerging needs. + Familiar with configuring and troubleshooting hardware VTC devices, software VTC clients, and Microsoft Teams Room devices, e.g. Crestron Flex. + Some experience with laptop troubleshooting to support a local team. + Able to provide support to remote enterprise VTC customers and external VTC partners. + Able to manage servers, e.g. manage backups, perform basic Windows/Linux OS troubleshooting, patch/upgrade OS and applications. + Familiarity with any relational database, and scripting/programming language or ETL tools, strong in Excel macros, Microsoft Access and Visual Basic. + Ability to design data structures, audit data integrity, support technology behind data import/export. + Overtime, shift work and weekend tours will be required. Occasional travel may be required, or other duties as assigned. + Employee must be willing and able to obtain a government issued Top Secret Security clearance. Holding a current TS is a plus. **Required Clearance:** Must be able to initially obtain Public Trust and follow-on TS (#clearable) Our Sr. Specialist, Systems Administration's earn between $72,000 to $167,000. 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:** Mount Weather, Virginia 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