Principal Sales Systems Engineer V – Government

AT&T

AT&T Principal Sales Systems Engineer supporting DHS customers with secure connectivity, mobility, and mission-focused technology solutions. Developing federal technical proposals and solutions while advancing network modernization opportunities.

Posted 8/4/2026full-timeChantilly • Virginia • 🇺🇸 United StatesLead💰 $134,600 - $201,800 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in federal sales engineering and consultative selling, with a strong ability to translate customer mission needs into tailored AT&T solutions. Proven track record in building customer relationships and driving revenue growth through effective collaboration and technical solution development.

Highest-signal resume keywords

Federal Sales EngineeringSolution ArchitectureCustomer Relationship ManagementTDM TransformationDHS Suitability Clearance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

NetworkingMobilityFiberWirelessCloudCybersecurityTechnical Solution DevelopmentProposal SupportConsultative SellingSolution Engineering

Soft Skills

Strong CommunicationAnalytical SkillsProblem-SolvingCollaborationInfluencing Skills

Certifications & Qualifications

DHS SuitabilityEOD ClearancePublic Trust Clearance

Industry Keywords

DHSFEMATSAFederal Acquisition ProcessesMission ServicesNetwork ModernizationFirstNetCustomer SatisfactionPipeline GrowthTechnical Discussions

Tech Stack

Tools & technologies

CloudCyber Security

About the role

Key responsibilities & impact

Provide sales engineering support for DHS customers, including FEMA, DHS Headquarters, and TSA
Partner with account teams to understand customer mission needs and align AT&T products, services, and technical solutions to those requirements
Support strategic growth initiatives tied to DHS Enterprise and Mission Services opportunities
Support TDM transformation efforts, including customer discussions and solutioning for migration to fiber and wireless technologies
Develop technical solution recommendations, proposals, presentations, and responses to customer requirements
Collaborate with sales, engineering, product, finance, and partner teams to develop executable solutions and support opportunity progression
Maintain strong customer and internal stakeholder relationships while helping drive pipeline growth, revenue opportunities, and customer satisfaction

Requirements

What you’ll need

Experience supporting federal government customers, preferably DHS or related civilian agency customers
Strong understanding of federal sales, solution engineering, and consultative selling practices
Knowledge of networking, mobility, fiber, wireless, cloud, cybersecurity, and professional services solutions
Ability to translate customer mission and technical requirements into AT&T solution recommendations
Experience supporting proposals, presentations, pricing inputs, and customer-facing technical discussions
Ability to work independently with broad objectives and collaborate effectively across matrixed teams
Strong communication, analytical, problem-solving, and customer relationship skills
Ability to obtain or maintain required DHS suitability, EOD, Public Trust, or equivalent customer clearance as needed
Bachelor’s degree or equivalent experience (desired)
6+ years of federal sales engineering, technical sales, solution architecture, or related experience (desired)
Knowledge of DHS customers, mission priorities, and federal acquisition processes (desired)
Experience with TDM transformation, fiber, wireless, mobility, FirstNet, or related network modernization initiatives (desired)
Existing DHS EOD/Public Trust or ability to obtain required customer suitability or clearance (desired)
Demonstrated ability to build trusted customer relationships and influence technical solution decisions (desired)

Benefits

Comp & perks

Medical/Dental/Vision coverage
401(k) plan
Tuition reimbursement program
Paid Time Off and Holidays, including at least 23 vacation days 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
Commission of $45,000