Lead System Engineer – Government

AT&T

Lead System Engineer supporting mission communications systems and services for U.S. Government.

Posted 7/9/2026full-timeChantilly • Virginia • 🇺🇸 United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in deploying, configuring, and maintaining enterprise-class systems, with a strong focus on Linux and Windows environments. Proficient in system security hardening, technical documentation, and effective problem-solving in mission-critical applications.

Highest-signal resume keywords

Linux System AdministrationWindows System AdministrationDatabase Administration (Oracle, MySQL, PostGres)System Security HardeningTechnical Documentation Creation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

System ConfigurationSoftware Patch ManagementNetwork TroubleshootingScripting and AutomationCapacity ManagementDisaster Recovery PlanningPerformance MonitoringUser Account ManagementApplication ManagementSystem Diagnostics

Soft Skills

Problem-SolvingInter-Personal CommunicationTime ManagementAnalytical ThinkingCollaboration

Tools & Technologies

Red Hat Enterprise LinuxRocky LinuxDebianWindowsTCP/IPSSHSFTPSCPHTTPSDNS

Industry Keywords

Enterprise-Class SystemsSystem Life-Cycle ManagementCybersecurity Best PracticesSystem ComplianceTechnical Documentation

Tech Stack

Tools & technologies

Cyber SecurityDNSLinuxMySQLOraclePostgresTCP/IP

About the role

Key responsibilities & impact

Collaborate with a team of system engineers to deploy, configure, maintain and operate mission application systems
Engage with the customer, engineering resources, and third-party vendors to implement and maintain products and services
Maintain, configure, and operate mission systems (Red Hat Enterprise Linux, Rocky, Debian, and Windows)
Manage various aspects of Sponsor’s mission system through all system life-cycles phases
Install and configure software patches and upgrades (OS, database, and applications) as well as hardware components
Troubleshoot hardware and software errors by running diagnostics, documenting problems and resolutions,
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
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 trouble and incident response

Requirements

What you’ll need

Minimum 5-10 years of working experience designing, configuring, implementing, and maintaining enterprise class system solutions
B.S. in Computer Science, Information Technology, Telecommunications or similar (education requirements are flexible depending on experience)
Experienced with analyzing requirements and collaborating with multiple engineering resources (i.e. developers, database, application SMEs)
System network and/or database administration experience on enterprise-class environments with a focus in Linux as well as Windows platforms
Familiar with user account and group policy management, application/service management and application patching and upgrades
Proficiency with both operating systems and networking software, hardware, and networking protocols
Strong understanding of TCP/IP networks, networking troubleshooting, and network protocols (SSH, SFTP, SCP, HTTPS, DNS, SNMP, etc.)
Proficiency with database systems and basic database administration (Oracle, MySQL, PostGres)
Knowledgeable of system cybersecurity concepts, best practices and enforcing system security baselines configurations (i.e. CIS, STIG) in both Windows and Linux environments
Experienced with creating technical documentation such as system design diagram, user guides as well as test plans and installation and troubleshooting guides
Strong and efficient problem-solving and inter-personnel communication skills, written and verbal
Commitment to continuous learning/education both on and off the job
Strong time management skills, comfortable managing multiple priorities, strong analytical and critical thinking skills, and a collaborative approach to colleague engagement and work responsibilities

Benefits

Comp & perks

Equal employment opportunity (EEO) to all persons
Reasonable accommodations for qualified individuals with disabilities