Senior Systems Administrator/Integrator

General Dynamics Information Technology•Aberdeen, MD

63d•Onsite

About The Position

Shape the Mission. Engineer the Future. GDIT is your place to lead, innovate, and drive strategic change. We are seeking a Senior System Administrator / Integrator with proven experience delivering mission-critical integration for complex, multi-domain DoD environments. In this role, you'll be at the forefront of geospatial and intelligence system evolution — leading integration efforts, shaping architectural solutions, and mentoring technical teams. As a Senior System Administrator / Integrator, you will lead the design and integration of advanced geospatial and intelligence platforms. Your work will translate operational and technical requirements into secure, scalable, and forward-looking architectures that align with Army modernization and convergence efforts.

Requirements

DoD Cyber Workforce Framework (DCWF) 8140 IAT Level II: CompTIA Security+, CySA+, or GSEC
Hands-on expertise with ArcGIS Enterprise, ArcGIS Desktop, and supporting geospatial toolkits.
Experience integrating with Army tactical systems and understanding of Geospatial Engineer (12Y) workflows across Army echelons.
Familiarity with Army organizational constructs, GPC operations, and MIB-T system support environments.
Knowledge of secure DevSecOps principles and CI/CD pipelines supporting rapid capability deployment.
Advanced PowerShell Skills: Proficient in developing robust, production-level scripts featuring: Data types and keywords. Logic constructs. Functions and modules. Data pipeline and parameter binding. Text processing and regular expressions. Cmdlets and modules. External process invocation with output redirection and error checking. Data file reading/write/manipulation (xml, json). Concurrent processing using powershell jobs or runspace pools. Code debugging. Advanced data handling (XML/JSON). REST API interaction. Parallel processing via runspaces. Secure credential handling and error management. Modular, reusable architecture. Custom logging and diagnostic utilities.
Experience integrating PowerShell with system and application layers for real-time diagnostics, patch automation, and configuration baselining.
US Citizenship Required
10 + years of related experience
Clearance Level Must Currently Possess: Top Secret/SCI
Clearance Level Must Be Able to Obtain: Top Secret/SCI

Responsibilities

Guide integration strategies across multi-vendor software stacks and hardware baselines.
Engage directly with Army stakeholders to refine system requirements, track dependencies, and drive alignment across multiple Army government organizations.
Provide technical leadership across full system lifecycles — from concept to operational deployment — ensuring rigorous engineering discipline and mission continuity.
Develop integration test strategies, manage system validation efforts, and oversee performance tuning and issue resolution for both imagery and geospatial software baselines.
Lead integration efforts and manage complex issues in real-time and driving improvements for interoperability and readiness.
Serve as technical lead for Army systems integration initiatives and geospatial software baselines.
Develop system-level architecture views, data flow diagrams, and interface designs.
Lead the generation of integration artifacts including test plans, conformance matrices, and cross-domain interface documentation.
Interface with senior DoD stakeholders to provide updates, recommendations, and roadmap alignment.
Provide expertise in Army’s Gold Master baselines and guide transition planning for new software versions.
Apply advanced scripting and automation (especially PowerShell) to streamline integration, testing, and configuration management.
Contribute to high-level technical decision-making with the mindset of “trust but verify,” driving standards across engineering teams and integration workstreams.
Deliver consistently under time-sensitive conditions and provide executive-ready briefings, updates, and status reports.

Benefits

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.

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