Lead System Engineer (Government)

This position requires office presence of a minimum of 5 days per week and is only located at customer's site. 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 AT&T National Security organization supports our Nation’s Intelligence Community, operating and assuring critical data, voice, video, and collaboration services for the full spectrum of intelligence operations. AT&T is seeking an experienced Lead System Engineer to support a professional services effort for a U.S. Government customer in the Washington, DC metropolitan area. This role will focus on the design, development, operation, and maintenance of mission communications systems, services, and supporting infrastructure. Key responsibilities include designing, installing, configuring, implementing, and maintaining customer mission solutions. The role requires technical expertise across multi-platform and multi-vendor applications, virtual environments, and SIP-based real-time communications applications. The Lead System Engineer will collaborate with a matrixed team of voice, network, and systems engineers to deliver complex solutions that support the customer’s mission objectives. We are seeking a highly motivated individual with strong critical thinking skills, attention to detail, and effective communication skills. The candidate must be comfortable working collaboratively to develop and deliver customer-focused solutions. This is a full-time position located on the customer’s premises. Job Duties/Responsibilities: • Collaborate with a team of system engineers to deploy, configure, maintain and operate mission application systems hosted in both physical and virtual environments. This role involves regular engagement with the customer, engineering resources, and third-party vendors to implement and maintain products and services supported for the customer. • Maintain, configure, and operate mission systems (Red Hat Enterprise Linux, Rocky, Debian, and Windows) in both physical and virtual environments. This also involves regular engagement with multiple third-party vendors to implement and maintain products and services supported by the customer. • Manage various aspects of Sponsor’s mission system through all system life-cycles phases, including planning, designing, evaluating, selecting, implementing, maintaining and future migrations. • Install and configure software patches and upgrades (OS, database, and applications) as well as hardware components (servers, SANs, hard disks etc.) • Troubleshoot hardware and software errors by running diagnostics, documenting problems and resolutions, prioritizing problems, and assessing impact of issues. • Monitor and review system and application logs to audit for performance and security related activity and anomalies. • Create and implement scripts and automation tools to support routine system/application tasks, gather data/metrics for system dashboards, and generate reports. • Create and maintain application and system backups as well develop and perform disaster recovery plans and failover procedures. • Create and maintain technical documentation that supports system administration procedures and tasks for installing, operating, and maintaining the systems and applications. • Implement, maintain, and document system security hardening and compliance with customer’s standards/requirements. • Manage capacity, storage planning, and database performance. • Serve as Tier 3/4 escalation resource for O&M