System Administrator (IT Systems Engineer Level II)

Welcome to AT&T Global Public Sector 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 National Security Team supports the Intelligence Community by providing, operating, and assuring critical voice, video, and collaboration services for the full spectrum of operations. Job Overview We are seeking a highly skilled System Administrator to support our National Security team. As a System Administrator, you will play a critical role in registering, maintaining, and managing DNS domain names, IP addresses, and DNS/IPAM systems. You will be responsible for ensuring the smooth operation of our DNS and DHCP services, troubleshooting issues, and providing technical support to other teams. Key Responsibilities: DNS Configuration and Management: Configure, maintain, and troubleshoot DNS zones, records, and resolution policies using the Infoblox application. Perform DNS zone transfers, updates, and changes as required by business needs. DHCP and IP Address Management: Oversee IP address allocation and management, ensuring efficient usage and accurate records. Implement IPAM strategies for efficient IP space management, including subnetting and supernetting. Monitoring and Reporting: Monitor the performance and health of DNS and DHCP services, addressing issues promptly. Generate regular reports on DNS and IP address utilization, providing insights and recommendations for optimization. Security and Compliance: Ensure compliance with organizational security policies and industry standards. Assist in auditing DNS and IPAM configurations to identify and mitigate potential risks. Troubleshooting and Support: Provide technical support and troubleshooting for DNS, DHCP, and IPAM-related issues. Work closely with other network and security teams to resolve complex networking issues. Documentation and Training: Maintain comprehensive documentation of DNS, DHCP, and IPAM configurations and processes. Train and support junior network administrators and other IT staff. Requirements To be successful in this role, you will need to meet the following requirements: Clearance: TS/SCI with polygraph. Education and Experience: Candidate must have 10 years of experience that can be a combination of work history and education. This equates to a Doctorate and 3 years, master's and 4 years, bachelor's and 6 years, associate's and 8 years, or HS diploma and 10 years. Compliance: Compliance with Department of Defense (DoD) 8570 Information Assurance Technical (IAT) Level 2. Desired Qualifications: The ideal candidate will have: System Administration background, networking background, or extensive experience in managing and configuring DNS, DHCP, and IP Address Management (DDI). Candidates with System Administration and networking backgrounds will be properly trained to perform their day-to-day duties. What We Offer At AT&T, we offer a competitive salary range of $89,200 - $155,000 yearly, depending on geography, experience, expertise, and education/training. In addition to a competitive salary, we offer a comprehensive benefits package, including: 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 Our Culture At AT&T, 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. How to Apply If you believe you have what it takes to join our team, submit your application without delay. We are keen to hear from talented candidates like you. Equal Employment Opportunity 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. Apply for this job