Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:NonePublic Trust/Other Required:NoneJob Family:IT Infrastructure and OperationsJob Qualifications:Skills:Complex Systems, DevOps, Software Systems EngineeringCertifications:NoneExperience:10 + years of related experienceUS Citizenship Required:YesJob Description:We are seeking a hands-on Systems Engineer with deep, practical experience across infrastructure, platforms, cloud, and application ecosystems. This role suits a technical leader who can analyze current-state environments, design future-state architectures, and execute complex system implementations end‑to‑end.What You’ll Do:Perform full-stack systems engineering across network, compute, storage, OS, middleware, databases, and applicationsDocument “as-is” architectures and develop detailed “to-be” designsLead cloud and on‑prem implementations, migrations, upgrades, and modernization initiativesEnsure system availability, scalability, performance, security, and complianceIntegrate systems and platforms with DevOps/DevSecOps pipelinesTroubleshoot complex, cross-domain issuesCollaborate with infrastructure, platform, software, DevOps, and data teamsProduce technical documentation, diagrams, standards, and runbooksServe as an escalation point and technical authorityCommunicate effectively with executives and cross-organizational partnersRequired Technical Skills:Enterprise networking, firewalls, load balancers, DNSSAN/NAS/Object storageKubernetes, DockerLinux (RHEL/CentOS) administration, hardening, automationPKI and identity managementCloud platforms: AWS, Azure, or GCPHybrid and on‑prem integration, cloud networking/security/cost optimizationRelational & NoSQL databases (Oracle, PostgreSQL, MySQL, SQL Server, MongoDB, Cassandra, DynamoDB, Redis)APIs, web services, middleware, SDLC fundamentalsEvent messaging (SQS, SNS, RabbitMQ)IaC, automation, and scripting (Terraform, Ansible, Python, Bash, PowerShell, CloudFormation)CI/CD tools (Jenkins, GitLab CI/CD, GitHub Actions, ArgoCD)Security best practices and system hardeningMonitoring/observability tools (Prometheus, Grafana, Splunk, ELK, CloudWatch)Ability to produce “as-is” and “to-be” architectures plus implementation/migration plansPreferred Skills:Zero Trust architecturesAI/ML or data platform exposureBig data platforms (Hadoop, Databricks, Snowflake, BigQuery)Experience supporting mission-critical systemsITIL or agile delivery experienceCloud, security, or architecture certifications (AWS SA/DevOps, Azure Admin, CKA/CKAD, ITIL)What You'll Need to Succeed:Education: Bachelor’s degree in Computer Science, Engineering, or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.Location: Herndon, VAHours: Contract core hours, 9am - 3pmSecurity Clearance: TS/SCI with PolygraphUS Citizenship RequiredGDIT IS YOUR PLACE:401K with company matchComprehensive health and wellness packagesInternal mobility team dedicated to helping you own your careerProfessional growth opportunities including paid education and certificationsCutting-edge technology you can learn fromRest and recharge with paid vacation and holidays#WeAreGDIT#JET#GDITEnhanced2026#VA_2026AlumniThe likely salary range for this position is $162,037 - $219,227. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:NoneTelecommuting Options:OnsiteWork Location:USA VA HerndonAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most. Our Identity Verification Process:As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes. About Our Work:We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans