Sr Specialist Systems Administration
Dallas, Texas
Job Description:
“This position requires office presence of a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered.”
Join AT&T and reimagine the communications and technologies that connect the world. Our Consumer Technology experience team is delivering innovative and reliable technology solutions to power differentiated, simplified customer experiences. Bring your bold ideas and fearless risk-taking to redefine connectivity and transform how the world shares stories and experiences that matter. When you step into a career with AT&T, you won’t just imagine the future-you’ll create it.
As a Sr. Specialist Systems Administration, you will be responsible for ensuring continual service availability by proactively monitoring, analyzing, and resolving issues in production on-premises cloud infrastructure which will require working with teams such as architecture, labs, other operations support teams, and cloud tenants to maintain maximum stability, performance, and security of the current and future cloud environments via the DevOps model while utilizing subject matter expertise in at least some of the following: Linux, cloud computing, Kubernetes, Open
Are experienced with e-mail and Mail Transfer Agents (MTA) / mail servers with a passion for managing robust e-mail solutions? Are you ready to manage a shared MTA environment that transports millions of emails for 1000+ applications in Azure? The Global Technology & Operations team is seeking a highly skilled professional to join our team. The ideal candidate will have extensive knowledge of and experience with e-mail and how it works end-to-end. This role will primarily focus on administering HMail on Windows servers in the Azure cloud.
Key Roles and Responsibilities:
Maintain AT&T’s internal shared MTA / mail server environment
Onboard new applications to shared MTA environment
Provide additional support for day-to-day operations of AT&T’s Exchange environments, both on-premises and online
Work with developers across AT&T to ensure e-mail standards are met as it pertains to sending and receiving emails
Partner with peers on the SMTP Relay side of the business to ensure seamless delivery of emails across AT&T
Ensure that new security standards such as TLS 1.3, anti-spam, data loss protection (DLP) are being met in the shared MTA environment
Provide support for internal help desk tickets as related to shared MTA
Develop and maintain detailed documentation of shared MTA architecture, configurations, and procedures
Weeklong on-call responsibilities for issues and troubleshooting up to multiple times a year, including holidays
Required Experience:
Requires 2-3 years of experience
Experience in designing, implementing, and managing mail transfer agents / mail servers
Experience with PowerShell scripting for automation and management tasks will be a plus
Experience with Microsoft 365 and hybrid cloud solutions
Knowledge of Active Directory, DNS, and related infrastructure components
Excellent problem-solving skills and the ability to work under pressure
Strong communication skills, both written and verbal
Desired Education:
Bachelor of Science degree in Computer Engineering, Computer Science, Applied Science, Electrical Engineering, or Math; Developer nanodegree; or equivalent experience preferred
Our Sr. Specialist Systems Engineering earn between $85,700 - $144,000 annually. 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
AT&T is leading the way to the future – for customers, businesses and the industry. We're developing new technologies to make it easier for our customers to stay connected to their world. Together, we’ve built a premier integrated communications and entertainment company and an amazing place to work and grow. Team up with industry innovators every time you walk into work, creating the world you always imagined.
Ready to #transformdigital with us? Apply now!
#LI-Onsite – Full-time office role#
Weekly Hours:
40Time Type:
RegularLocation:
Atlanta, GeorgiaSalary Range:
$85,700.00 - $144,000.00It 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.
Job ID R-52420-1 Date posted 02/07/2025
Benefits
Your needs? Met. Your wants? Considered. Take a look at our comprehensive benefits.
- Paid Time Off
- Tuition Assistance
- Insurance Options
- Discounts
- Training & Development
Our hiring process
Apply Now
Confirm your qualifications align with the job requirements and submit your application.
Assessments
You may be required to complete one or more assessments, depending on the role.
Interview
Get ready to put your best foot forward! More than one interview may be necessary.
Conditional Job Offer
We’ll reach out to discuss a conditional job offer and the next steps to joining the team.
Background Check
Timing is important – complete the necessary actions to proceed with onboarding.
Welcome to the Team!
Congratulations! It’s time to experience #LifeAtATT.
Check your email (and SPAM) throughout the process for important messages and next steps.
Connect today
Didn’t find what you were looking for here? Sign up for our job alerts so we can connect and share the latest.