Job Description:

This position requires office presence of a minimum of 1 - 5 days per month, based on the needs of the business and is only located in the location(s) posted.  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 Northstar Team supports our Nation’s VVIP leaders and warfighters, providing, operating and assuring critical voice, video and collaboration services for the full spectrum of military operations.

AT&T has an opening for an Air/Ground Senior Systems Engineer to support the Northstar Program, in providing critical voice and data communications to high profile government customers.

Job Duties/Responsibilities:

Directly interface with the customersTurn-up services, test circuitry, and isolate faultsDevelop operating system updates, test and implementDeploy, install, operate, and maintain RF systems supporting government missions within the United States

Required Clearance:

Active Top Secret (#secret)

Required Qualifications:

Strong communication skillsA current government issued Top Secret Clearance granted or renewed within the past five (5) yearsComprehensive knowledge of radio frequency (RF) characteristics, communications and analog/digital telecommunicationsFamiliar with CA Spectrum and RemedyThe ability to lift and/or move up to 80lbsThe ability to travel up to 15% of the timeThe ability to work shifts and carry a cell phone while "on-call”

Desired Qualifications:

RF and Software development, testing, Installation, and  Maintenance

Education: Bachelor of Science in Engineering, Mathematics, or Computer Science

Experience: 15 years in a progressive engineering role that includes design and implementation of complex RF systems with corresponding software development. Candidate must be able to work in a diverse group of subject matter experts, contributing on a broad variety of technical and practical subjects.  Masters of Science in Engineering, Mathematics, or Computer Science can be substituted for 5 years’ experience.

Required RF Experience:

RF Propagation, electromagnetic wave theory, transmission line selection criteria and antenna designDiffraction, diffusion and appropriate multipath model application, including in MIMO architecturesRF Noise and Link Budget analysis for line-of-sight and satellite systems, including the proper application of noise power and noise temperatureRF systems design of multi-stage, high powered amplifier systems with both direct conversion and intermediate frequency systems.Digital modulation techniques and their proper selection for systems designDigital encoding techniques and forward error correction applicationDigital Signal Processing of discrete time systems, including appropriate use of time and frequency domain applicationsSoftware Defined Radio applications, including Matlab, GnuRadio and hand-coded RF applicationsEffects of RF systems integration on IP networks and servicesField experience in development and test of complex radio architecturesExperience with Field Programmable Gate Arrays desirable

Required programming experience:

Strong programming background with experience in multiple successful application development projectsLinux application development, including networking and socket-based applicationsImplementation of complex RF-based applications, including implementation modulation, filtering, coding, forward error correction, and data delivery, in C/C++Measurement and export of RF KPI’s, including RSSI and channel power estimation, waveform sync/loss, Eb/N0 calculation, and BER estimationImplementing function and modular tests in one or more software test frameworksExperience with RF software systems optimization, including profiling and practical application of SIMD intrinsics.Experience with GDB, Valgrind, and static analysis tools to improve software quality, performance and stability.

Required Networking and IT Systems Experience:

Functional knowledge of IP data systems, including addressing, subnetting and routing of IP packetsFunctional knowledge of common IP protocols, including TCP, UDP, ICMP, HTTP, SSL, SIP, etc.Functional knowledge if VoIP system requirements as they relate to RF systemsBasic Linux system administration skills, including use of common shell commands and scripting, installing and removing applications, etc.

Our Senior System Engineer's earn between $79,300 - $150,000. 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 coverage401(k) planTuition reimbursement programPaid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays)Paid Parental LeavePaid Caregiver LeaveAdditional sick leave beyond what state and local law require may be available but is unprotectedAdoption ReimbursementDisability Benefits (short term and long term)Life and Accidental Death InsuranceSupplemental benefit programs: critical illness/accident hospital indemnity/group legalEmployee Assistance Programs (EAP)Extensive employee wellness programsEmployee 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:

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

Job ID R-73134 Date posted 07/01/2025