**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. 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. The Columbia Program Office (CPO) supports various US Government entities. CPO specializes in IT solutions, network connectivity, cyber analysis, and solutions architectures for the IC and the DOD. The ECS portfolio recently increased its scope and is need of a multiple Senior Network Design Engineers. **Job Duties/Responsibilities:** Provide expert consultation and develop network designs for wireless, wireline, and broadband infrastructure, using engineering principles and approved guidelines to ensure robust, scalable, and efficient network solutions. **Key Roles and Responsibilities** : Typical tasks may include, but are not limited to, the following: + **Network Design and Architecture:** Develop and manage detailed network designs and architecture, ensuring scalability, efficiency, and creating specifications for network migrations. + **Implementation and Configuration:** Deploy network solutions, integrate new components, provide initial support, resolve system failures, and implement circuit provisioning standards. + **Performance Optimization and Troubleshooting:** Monitor and optimize network performance, assess client networks, make improvement recommendations, and troubleshoot issues. + **Documentation and Compliance:** Maintain detailed records, ensure compliance with standards, author process documentation, methods, procedures, and use tools to create engineering documents. + **Collaboration and Project Management:** Coordinate with stakeholders and vendors, manage projects from conception to completion, prepare cost/benefit estimates, and oversee presentations, negotiations, and installations. **Job Contribution:** An experienced professional with advanced, interdisciplinary knowledge, resolving difficult and complex issues using broad professional concepts. Guides others, applying advanced principles and company practices. Leads moderate sized projects (or parts of larger projects) with strategic value. Operates autonomously with frequent senior leadership interaction. **Required Clearance:** TS/SCI with poly (#tssci) (#polygraph) **Required Qualifications:** Bachelors’ degree in a technical field is preferred, or an AS with 5 years of applicable experience and/or equivalent military experience •Hands-on configuration and real-world experience with enterprise class routers and switch product lines including Cisco and Juniper •Type 1 Crypto equipment implementation and troubleshooting skills •Ability to implement and troubleshoot commercial network security protocols (IPSEC, MACSEC) •Demonstrated expertise in supporting the WAN, MAN, CAN and LAN technologies •Ability to configure and troubleshoot routing and switching protocols •Understanding of enterprise management of converged networks, capacity planning, performance analysis and network tuning •Ability to provide Tier 2 through 4 support •Technical writing skills. Excellent organization skills to support work in a dynamic and fast-paced environment •Self-motivated, including ability to effectively perform tasks on schedule •CCNA **Desired Qualifications:** Cyber certifications. Knowledge of AT&T operating methods and procedures. Solarwinds experience. Familiarity with Federal Government networks, and DOD technical requirements and is a plus. Our Senior Network Design Engineer's earn between $79,300 - $184,800. 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:** 40 **Time Type:** Regular **Location:** 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. AT&T is a fair chance employer and does not initiate a background check until an offer is made. AT&T will consider for employment qualified applicants in a manner consistent with the requirements of federal, state and local laws We expect employees to be honest, trustworthy, and operate with integrity. Discrimination and all unlawful harassment (including sexual harassment) in employment is not tolerated. We encourage success based on our individual merits and abilities without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, disability, marital status, citizenship status, military status, protected veteran status or employment status