Telephony Systems Administrator (SA1.5) (Government)

AT&T; Columbia (MD); On-site; USD 89,000 - 129,000; Full time

Benefits offered by this job

Medical/Dental/Vision coverage

401(k) plan

Tuition reimbursement program

Paid Time Off and Holidays

Paid Parental Leave

Paid Caregiver Leave

Disability Benefits

Life and AD&D Insurance

Employee Discounts (AT&T plans)

Job summary

AT&T Global Public Sector seeks a detail-oriented Telephony System Administrator to maintain and secure enterprise voice systems in Columbia, Maryland. The role involves troubleshooting, security monitoring, and collaboration to ensure reliable communications for customer operations.

The candidate will manage Cisco Unified Communications Manager, plan maintenance, and document configurations, with a TS/SCI clearance and polygraph as required.

Qualifications

• Seven (7) years of experience as a System Administrator in similarly scoped programs.
• Bachelor’s degree in Math, Science, Engineering, Statistics, Engineering Management or related discipline; five additional SA years may substitute for a degree.
• Experience configuring and administering common TDM and VOIP call managers (Nortel Meridian, Cisco Unified Call Manager).
• Large-scale Cisco Voice deployments in multi-cluster environments and data networking.
• Working knowledge of H.323 and SIP; familiarity with Cisco UCS platforms, voice gateways, virtualization (ESXi).
• DoD 8570 IAM Level 2 required.

Responsibilities

• Provide enterprise-wide system administration for Cisco Unified Communications Manager and related systems.
• Plan regular maintenance tasks including updates and upgrades.
• Maintain current documentation of system configurations.
• Design, administer, and analyze dial plans and traffic routes for voice networks.

Skills

N/A

Education

Bachelor's degree in Math/Science/Engineering/Statistics/Engineering Management or related

Tools

Nortel Meridian PBXs

Cisco Unified Call Manager

Cisco Voice (multi-cluster)

H.323 / SIP

Cisco UCS platforms

voice gateways / ESXi virtualization

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. RIS I is the delivery of regional IT services to the end user. We offer support of end user devices including desktop, workplace peripherals, and voice and video devices. We support local and campus area networks, including wireless and cable plant. Join a mission-focused team supporting critical communications infrastructure. We are seeking a detail-oriented Telephony System Administrator who brings strong technical troubleshooting, security monitoring, and collaboration skills to help maintain reliable, compliant, and secure communications systems for customer operations. This is a full-time onsite role based in the location(s) posted and is performed from the designated work location five days per week. No relocation is offered.

Description of Job Duties/Responsibilities

• Provide overall system administration for an enterprise-wide Cisco Unified Communications Manager and related systems.
• Plan regular maintenance tasks including updates and upgrades.
• Maintain current and accurate documentation of system configurations.
• Design, administer, and analyze corporate dial plans and traffic routes for voice network structure.
• Administer and monitor voice systems for performance and SLA attainment.
• Provide support as needed to lower tier break/fix resolution and move/add/change/deactivation requests for all telecommunications systems.

Required Clearance: TS/SCI with polygraph. (#ts/sci) (#polygraph)

Required Qualifications

• Seven (7) years of experience as an SA in programs and contracts of similar scope, type, and complexity are required.
• Bachelor’s degree in Math, Science, Engineering, Statistics, Engineering Management or a related discipline from an accredited college or university is required.
• Five (5) years of additional SA experience may be substituted for a Bachelor’s degree.
• Experience with the configuration and administration of common TDM and VOIP telephone call manager systems, such as the Nortel Meridian line of PBXs and Cisco Unified Call Manager.
• Large-scale implementation experience with Cisco Voice in a multi-cluster environment and data networking infrastructure.
• Working knowledge of H.323 and SIP.
• Familiar with Cisco UCS platforms, voice gateways, virtualization, and ESXi.
• DoD 8570 IAM Level 2 required.

Our Telephony Systems Administrator (SA1.5) (Government) earns $89,200 - $129,400 yearly.

Joining our team comes with amazing perks and benefits:

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 wireline phone

Weekly Hours: 40 Time Type: Regular Location: Columbia, Maryland

AT&T and its subsidiaries are committed to equal employment opportunity. All hiring, promotion, and other employment decisions remain merit-based and free from discrimination on the basis of race, color, religion, religious creed, national origin, ancestry, age, sex, sexual orientation, gender, gender identity, gender expression, physical disability, mental disability, pregnancy, medical condition, genetic information, marital status, citizenship status, military status, veteran status, or any other characteristic protected by federal, state, or local laws.

In addition, AT&T will provide reasonable accommodations to qualified individuals with disabilities.

AT&T is a fair chance employer and does not initiate a background check until an offer is made.

We are pioneers of making connections and have been ever since Alexander Graham Bell invented the telephone and founded our company. That was nearly 150 years ago, and we haven’t stopped innovating since. At our core, we help bring families, communities, and businesses together with the products and services they need to thrive every day. From the widespread and growing availability of 5G and Fiber to working on things we once only dreamed of—at AT&T, we create connections that change the world.