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Principal Solutions Architecture

Oakton, Virginia

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Job Overview

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.

Federal Solutions is responsible for supporting the entirety of the Federal Government client base and provides the needed technical sales, technical sales engineering / architecture, and solution delivery support needed to bring AT&T products and services to mee the needs of the Federal Sector’s extensive customer base.

AT&T has an opening for a Principal Solutions Architecture with expert level experience in unified voice communications service engineering. Defines Technical Solution and ensures alignment; Provide technical leadership for the evolving architectural capabilities of the entire solution. Works closely with the Enterprise Architects and System Engineers to ensure that individual program and product strategies align with business and technical objectives: Facilitates important design decisions for development teams; local authority.

Description of Job Duties/Responsibilities:

  • Works closely with the account team, Principal Architect, Sales Systems Engineers, and AT&T factories/partners to design and deliver Managed Unified Communications (UCaaS) and Contact Center (CCaaS) Services for Public Sector Customers.
  • Provides recommendations, guidance, support and oversight for changes and enhancements to the customer network specific to their UCaaS, CCaaS, and IP Voice requirements and environment – utilizing both Avaya and Cisco environments.
  • Works closely with Public Sector Sales System Engineers to educate and position AT&T managed UCaaS, CCaaS, and IP Voice Services across their assigned accounts.
  • Works with customer’s network architects and engineers to design and develop the UCaaS, CCaaS, and IP Voice architectures to align with evolving customer requirements and data network environments.
  • Works closely with vendors to align optimal managed voice service and solution with customer requirements and AT&T network service portfolio.
  • Collaborates with account team and others on business development opportunities and expansion of existing services.
  • Works with Sales Systems Engineers to educate and consult on legacy local services to assist with migration to SIP/UC services.
  • Expert level technical professional.
  • Delivers managed voice and contact center service designs and implementation plans based on complex customer requirements.
  • Presents designs and plans to customers and account team members in a clear and compelling manner.

Required Clearance: Public Trust

Required Qualifications: Bachelor’s degree in Computer Engineering, Computer Science, Applied Science, Electrical Engineering, Math, or Systems Engineering; or equivalent experience.

  • Industry Technical Certifications in Unified Communications, Contact Center, Data Networking are desired.
  • Significant experience with designing and implementing IP Voice architectures for large enterprises (2,000+ employees).
  • Deep understanding of VoIP and network protocols including but not limited to: SIP, RTP, TCP/IP, DNS, and BGP; and network security principles.
  • Excellent analytical and problem-solving abilities.
  • Excellent verbal and written communication skills.
  • Ability to design, implement, and troubleshoot voice network infrastructure.
  • 8-10+ years of experience in telecommunications and or voice communications architect field
  • Desirable candidates will have strong leadership, administrative skills, and experience in the following areas:  Technical Support, Vendor Negotiation, Operations, Test & Turnup, Product Management, and Executive Escalations.

Ready to join our team? Apply today!

Our Principal Solutions Architecture (Government) earns between $158,200 - $237,400 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:


Time Type:



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.

Job ID R-26900-1 Date posted 06/14/2024
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Invested in your satisfaction and continued success.

We take care of our own here (hint: that could be you). Our benefits and rewards mean we cover some of your biggest needs with some of the coolest offerings. We already think we’re a pretty great place to work. We’re just trying to rack up some bonus points.

Let’s start with the big one: Your work gets rewarded with competitive compensation and benefits. It really does pay to be on our team.


When it comes to priorities, we know family tops the list. For the moments that matter the most, you'll be there for them, and we'll be here for you.

Family Leave

Paid Time Off

Our people have class. Literally. We can help you out on approved education costs with our tuition assistance plan.


Here’s another reason to breathe easy: You and your family get access to excellent medical, dental and vision insurance options.

Insurance Options

Wanna make your friends really jealous? You’ll get discounted access to the latest and greatest AT&T products and services — plus other awesome items, like tickets to live events.


You strike us as an over-achiever (don’t worry, it’s a compliment). Our training and development programs are your ticket to expert status in your job.

Training & Development

When the day comes that you get some much needed R&R (not that you’d ever want to leave #LifeAtATT) you’ll know your future is set with the AT&T Retirement Savings Plan (ARSP).


Give back to your community and connect with colleagues through social and team-building events, and annual paid time off for volunteer efforts of your choice.

Community & Team Events

Wellness resources and incentives to help you prioritize your health and wellbeing and be your best self inside and outside of work.

Total Wellbeing

The Hiring Process

Step 1

Complete a quick application online and check your status often.

Step 2

Virtual or in-person

Dress professionally and ensure good WiFi interviewing virtually.

Step 3

Job Offer

After a background check, you're part of the team.

Step 4

Welcome! Onboarding
and Training Begins

Our training and certification programs set you up for success.

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