**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. 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. **AT&T has an opening for System Administrator** to support the Intelligence Community in providing technical support for the customer’s system test and integration lab, and customer production environment. The System Administrator provides hand-on support for the IT infrastructure and technical assistance and support as needed to on-site administrators supporting the other two environments. **Description of Job Duties/Responsibilities** : + Excellent writing skills required for preparing documentation and other technical deliverables. + Ability to troubleshoot Cisco and Juniper switches and routers. + Uses MicroFocus/OpenText and HP Network Monitoring tools. + Organizes and directs the configuration and operation of information management systems. + Provides the day-to-day system administration to include system and resource optimization, and user assistance. + Maintains servers and create and review monitoring reports and logs. + Performs daily system monitoring, verifying the integrity and availability of all hardware, server resources, system and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups. + Provides hands-on guidance and training to. more junior staff. + Applies OS patches for RHEL and Windows servers. + Runs configuring/adding new services. + Conducts ongoing performance tuning, hardware upgrades, and resource, and optimization, as required. + Conducts CPU configuration, memory and disk partitions, as required. + Performs regular security monitoring to identify vulnerabilities and any possible intrusions. + Sets up and manages frequent and regular (at least daily) backup operations, ensuring that all required file systems and system data are successfully backed up to appropriate media, plus creates recovery tapes or disks; performs regular file archive and purge, as necessary. **Required Clearance:** TS/SCI with polygraph. (#ts/sci) (#polygraph) **Required Qualifications:** 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, masters and 4 years, bachelors and 6 years, associates and 8 years or a HS diploma and 10 years. Additional requirements include: Compliance with the Department of Defense 8570 Information Assurance Technical (IAT) level 2. + Must be able to process and analyze information and trouble calls submitted by a customer (e.g., system administrator, developer, security specialist), make determinations, provide and implement solutions. + Must be able to work with minimal supervision to perform complex technical tasks. + Must be able to troubleshoot network routing and router/switches. + Build and O&M of Linux RHEL systems, Build and O&M of MS Windows Server systems, Build and O&M of virtual environment that includes virtual servers and virtual routers, Build and O&M Oracle Servers. + Build and O&M of multiple Network Management applications, Build and O&M of VCenter which includes the O&M of VM templates, Build and O&M of ESXi hosts, Build and O&M of hardware. + Understanding of DoD Risk Management Framework (RMF) information security requirements, standards, and best practices; DIACP compliancy with Retina, DISA STIG and IAVA patch management. + Perform multiple tasks concurrently and respond to emergency effectively. + Proficient in use of Microsoft Office suite. + Increase system administrator efficiency and accuracy via the use of automated tools and scripts, develop system administrator procedures, and conduct system administrator training and skills assessment + Conduct capacity and performance analysis, and provides system configuration change and upgrade recommendations. + Determine computer user needs; analyze system capabilities and programming techniques and controls. + Manage the daily activities of configuration and operation of systems and perform system capacity analysis and planning. **Ready to join our team? Apply today!** Our System Administrator (Network Engineer Level II) (Government) earns between **$89,200 - $140,000** 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:** 40 **Time Type:** Regular **Location:** Chantilly, Virginia 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 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