Senior Systems Administrator Systems Engineer jobs in Linthicum Heights – Browse 29 openings on RoboApply Jobs

Senior Systems Administrator Systems Engineer jobs in Linthicum Heights

Open roles matching “Senior Systems Administrator Systems Engineer” with location signals for Linthicum Heights. 29 active listings on RoboApply Jobs.

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Elevi Associates logoElevi Associates logo
Full-time|$150K/yr - $170K/yr|On-site|Linthicum Heights, MD

Join the dynamic team at Elevi Associates as a Senior Systems Administrator / Systems Engineer. We are looking for a dedicated professional who is eager to contribute to our mission and support our clients effectively.You must be willing to work in the San Antonio, TX area.A CURRENT OR ACTIVE SECURITY CLEARANCE WITH POLY IS REQUIRED.A minimum of ten (10) yea…

Mar 30, 2026
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Capital Solutions Group logoCapital Solutions Group logo
Full-time|On-site|Linthicum Heights, Maryland

SECURITY CLEARANCE: TS/SCI with Polygraphs is required.POSITION: Senior System AdministratorREQUISITION: NINSEA-AE4-13.061724bkLOCATION: Linthicum Heights, MarylandJOB DESCRIPTION:• Oversee and optimize infrastructure management, continuous integration, environment configuration, and deployment processes.• Ensure the project's compliance with security standards and best practices.• Deliver automation solutions that facilitate seamless operations across teams.• Monitor alerts via email.• Assess the health status of virtual machines (VMs).• Respond to outages promptly.• Apply the latest patches to EC2 Instances and VMs.• Confirm the operational status of the organization's production website.• Conduct monthly security scans on systems.ESSENTIAL RESPONSIBILITIES:• Lead the implementation of accreditation processes adhering to DISA STIGs, CIS Benchmarks, and NIST standards.• Develop Ansible playbooks to enhance the security and compliance posture of CentOS and Amazon Linux 2 operating systems.• Collaborate with cross-functional teams to achieve mission objectives.• Administer and maintain AWS EC2 cloud infrastructure and leverage Docker for scaling cloud resources.• Monitor the health and status of security tool suites through IT system management.• Maintain, upgrade, and refresh systems to ensure full operational capacity.• Utilize Grafana for system health monitoring.• Write scripts to enhance system redundancy.• Troubleshoot performance degradation in applications and infrastructure using Docker queries.• Coordinate with ancillary organizations for hardware and software procurement and management.• Prepare configuration plans, software enhancement plans, and engineer solutions for user interface integration.• Participate in gathering and analyzing user requirements.• Develop and code software solutions using YAML.• Debug both existing and new software, rectifying deficiencies.• Test and integrate systems with legacy applications.• Write MySQL queries to derive essential data for mission metrics.

Jun 17, 2024
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Capital Solutions Group logoCapital Solutions Group logo
Senior Systems Administrator

Capital Solutions Group

Full-time|On-site|Linthicum Heights, Maryland

SECURITY CLEARANCE: TS/SCI with both Polygraphs are requiredPOSITION: Systems AdministratorLCAT: Systems Administrator, Level 4REQUISITION: NIN-SA2-24.120125LOCATION: Linthicum Heights, MarylandJOB DESCRIPTION:Join our Secure the Enterprise initiative where you will play a vital role in transforming our manual system security evaluation and authorization processes. Your focus will be on developing innovative automation solutions, enhancing streamlined procedures and approvals, and ensuring continuous monitoring and assessment across the project lifecycle.KEY RESPONSIBILITIES:• Oversee infrastructure management, continuous integration, environment configuration, and deployment.• Ensure the project's compliance and security posture.• Drive the automation initiatives that facilitate seamless operations for all teams.

Feb 24, 2025
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Wyetech LLC logoWyetech LLC logo
Full-time|On-site|Linthicum Heights, Maryland

As a System Administrator II at Wyetech LLC, you will play a crucial role in maintaining and enhancing our IT infrastructure. You will be responsible for ensuring system reliability, performance, and security. Your expertise will help us deliver exceptional services to our clients while contributing to our innovative solutions.

Apr 6, 2026
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Wyetech LLC logoWyetech LLC logo
Full-time|On-site|Linthicum Heights, Maryland

Join Wyetech, a leader in innovation and technology, where you can be part of an award-winning corporate culture that is dedicated to breaking technological barriers and addressing real-world challenges for our federal government clients. We are currently looking for an enthusiastic and skilled Senior Systems Engineer to contribute to our dynamic Analysis & Mitigations initiative. In this role, you will help define and implement the system architecture for an Agentic Knowledge Management System, utilizing an agentic framework to facilitate automated knowledge extraction. Collaborating closely with the project lead, you will oversee system integration, develop and uphold deployment strategies, ensure compliance, and conduct system testing and validation. Additionally, you will engage in the development and maintenance of technical plans, milestones, and code reviews. As this position requires compliance with federal contract stipulations, candidates must be U.S. citizens and possess the appropriate security clearance (e.g., an active TS/SCI clearance with an agency-appropriate polygraph).

Mar 23, 2026
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Wyetech LLC logoWyetech LLC logo
Full-time|On-site|Linthicum Heights, Maryland

Join Wyetech, a leader in innovative technology solutions, where you will be part of an award-winning corporate culture dedicated to breaking technological barriers and addressing real-world challenges for our federal government clients. We strive to attract top-tier talent, offering a unique and world-class employee experience that stands out in the industry. As a Systems Administrator II, you will play a crucial role in supporting the implementation, troubleshooting, and maintenance of Information Technology (IT) systems. Your responsibilities will include managing IT system infrastructure and related processes. You will oversee daily operations, monitor performance, and resolve issues across client, server, storage, and network devices, as well as mobile devices. Additionally, you will provide Tier 1 (Help Desk) and Tier 2 (Escalation) support, ensuring efficient problem identification, diagnosis, and resolution. You will keep agency management and internal customers updated on status and assist in the dispatch system while actively participating in the resolution process. This role also requires configuring and managing UNIX and Windows operating systems, installing and loading OS software, troubleshooting, and enhancing network components to improve reliability, security, and performance. Please note that due to federal contract requirements, U.S. Citizenship and an appropriate security clearance (e.g., Active TS/SCI security clearance with agency-appropriate polygraph) are mandatory.

Apr 9, 2026
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Wyetech LLC logoWyetech LLC logo
Full-time|On-site|Linthicum Heights, Maryland

Join Wyetech, where you will be an integral part of an award-winning corporate culture dedicated to breaking technological barriers and addressing real-world challenges for our federal government clients. We pride ourselves on recruiting the top talent and, in return, we provide a unique, world-class employee experience that stands out in our industry. We are on the lookout for a skilled Systems Engineer with robust project management expertise to oversee engineering and project management for comprehensive data flows supporting our Data Transformation Solutions (DTS) TTO. The ideal candidate will proficiently gather and refine requirements, break down work into deliverables, document necessary artifacts, and develop roadmaps and timelines for the execution of end-to-end data flows, including the transformation into a standardized data model. Establishing strong relationships with customers and engaging with external stakeholders to understand their data needs will be critical. A solid grasp of customer data flow architecture is essential. This role is a key contributor within an agile development framework. Responsibilities include applying systems engineering principles throughout all phases of the systems life cycle: Concept, Development, Production, Utilization, Support, and Retirement. The successful candidate will engage with government representatives regarding technical issues and conflicts, while also communicating effectively with other program personnel, government overseers, and senior management. You will be accountable for the technical integrity, quality, and thoroughness of deliverables across one or more of the 25 process areas outlined by ISO/IEC 15288:Technical Process Areas: Stakeholder Requirements Definition, Requirements Analysis, Architectural Design, Implementation, Integration, Verification, Transition, Validation, Operation, Maintenance, and Disposal;Project Process Areas: Project Planning, Project Assessment and Control, Decision Management, Risk Management, Configuration Management, Information Management, and Measurement;Enterprise Process Areas: Project Portfolio Management, Infrastructure Management, Lifecycle Model Management, Human Resource Management, and Quality Management;Agreement Process Area: Acquisition and Supply. **This position requires PRIVAC clearance. Candidates must possess a current (within the last 7 years) polygraph and/or the minimum level of PRIVAC required for this role (NSYS). Please confirm the poly/PRIVAC status of candidates upon submission. ***This position is eligible for a $5,000 bonus! (Including 20% SEP IRA contribution)

Mar 18, 2026
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usm2 logousm2 logo
Full-time|On-site|Linthicum Heights

Join our dynamic team as a System Analyst. We are looking for a skilled professional with a strong analytical mindset to help optimize our systems and improve our operational efficiency. In this role, you will collaborate with various departments to assess and enhance current processes, ensuring seamless functionality across our platforms.

Sep 12, 2016
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usm2 logousm2 logo
Full-time|On-site|Linthicum Heights

Join us at usm2 as a Mainframe Application Architect specializing in legacy systems. In this pivotal role, you will leverage your expertise to design, develop, and implement robust application architectures that enhance our legacy systems. Your contributions will be vital in modernizing our technology landscape while ensuring seamless integration with existing infrastructures.

Sep 12, 2016
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Capital Solutions Group logoCapital Solutions Group logo
Senior Software Engineer

Capital Solutions Group

Full-time|On-site|Linthicum Heights, Maryland

SECURITY CLEARANCE: TS/SCI with both Polygraphs is required.POSITION: Senior Software Engineer.REQUISITION: NIN-AE4-17.022425.LOCATION: Ft. Meade, Maryland.JOB DESCRIPTION:As a Senior Software Engineer, you will play a pivotal role in the development, maintenance, and execution of Pig and PySpark analytics. You will be responsible for reviewing data ingestion tickets and collaborating with fellow developers to streamline data processing.Your primary focus will be to ensure the delivery of reliable and accurate data to end users while overseeing the successful operation of day-to-day data processes, including the investigation of data accuracy upon arrival in the system.

Feb 24, 2025
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Wyetech LLC logoWyetech LLC logo
Full-time|On-site|Linthicum Heights, Maryland

About Wyetech LLC Wyetech LLC delivers technology solutions for federal government clients from its Linthicum Heights, Maryland location. The company focuses on solving real-world problems through advanced engineering and AI. Wyetech is known for its collaborative culture and commitment to technical excellence. Role Overview: Senior AI Engineer The Senior AI Engineer will support Wyetech’s AI and Emerging Technologies (AI&ET) mission. This position centers on applying software engineering skills and deep knowledge of Artificial Intelligence and Machine Learning (AI/ML) to develop and improve tools for vulnerability identification and mitigation. The role involves working with mission stakeholders, gathering and refining requirements, and contributing to structured project planning. Key Responsibilities Collaborate with mission stakeholders to collect and clarify technical requirements. Contribute to structured planning and project definition for AI/ML initiatives. Enhance certification processes by introducing and integrating AI/ML tools. Develop and fine-tune Large Language Models (LLM) and other AI/ML solutions to improve vulnerability identification and mitigation capabilities. Design and implement new tools and techniques using AI/ML to address emerging technical challenges. Requirements Extensive background in software engineering. Deep understanding of AI and Machine Learning techniques. Experience developing or fine-tuning Large Language Models (LLM) is highly valued. Strong collaboration and communication skills for working with technical and mission stakeholders. U.S. Citizenship is required. An appropriate security clearance (such as Active TS/SCI with agency polygraph) is mandatory due to federal contract requirements.

Apr 16, 2026
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Artech Information Systems LLC logoArtech Information Systems LLC logo
Desk-side Support Specialist

Artech Information Systems LLC

Full-time|On-site|Linthicum Heights

Join our team as a Desk-side Support Specialist, where you will provide exceptional technical assistance to our clients. Your role will involve troubleshooting hardware and software issues, assisting users with setup and configuration, and ensuring seamless operation of IT services. If you have a passion for technology and excellent customer service skills, we want to hear from you!

Dec 19, 2016
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Capital Solutions Group logoCapital Solutions Group logo
Senior Back-End Software Engineer

Capital Solutions Group

Full-time|On-site|Linthicum Heights, Maryland

SECURITY CLEARANCE: TS/SCI with both Polygraphs is required.POSITION: Senior Back-End Software Engineer (AE, L4)REQUISITION: NIN-AE4-30.051925LOCATION: Laurel, MarylandSEAT LOCATION: EmersonJOB DESCRIPTION:Join our Secure the Enterprise initiative, where you will play a pivotal role in transforming the current manual system security evaluation and authorization process into an automated, efficient, and continuously monitored framework. This new model will enhance project lifecycle management through streamlined processes, approvals, and comprehensive network data collection.KEY RESPONSIBILITIES:As a Senior Back-End Software Engineer, you will be responsible for the design, development, testing, deployment, and ongoing maintenance of various Python-based REST endpoints, microservices, and data model management capabilities. Utilizing Django and Flask frameworks, you will interact with data models stored in MariaDB or MongoDB, delivering data in JSON format to user interface front-ends upon request.

Aug 19, 2025
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Wyetech LLC logoWyetech LLC logo
Full-time|On-site|Linthicum Heights, Maryland

About Wyetech Wyetech LLC is known for its strong corporate culture and its work supporting federal government clients. The company has earned recognition for its commitment to both technical excellence and employee experience. Role Overview The Senior AI Engineer will play a central part in Wyetech's AI and Emerging Technologies (AI&ET) initiative. This position focuses on applying Artificial Intelligence and Machine Learning (AI/ML) to real-world challenges, particularly in support of federal missions. Key Responsibilities Work directly with mission stakeholders to gather requirements and support structured planning. Enhance the certification process by integrating AI/ML tools. Develop and refine tools and techniques using AI/ML, including fine-tuning Large Language Models (LLMs). Advance capabilities for identifying and mitigating vulnerabilities through AI-driven solutions. Requirements Extensive background in software engineering. Deep understanding of AI and Machine Learning methodologies. Experience collaborating with stakeholders and managing structured planning processes. U.S. Citizenship is required due to federal contract obligations. An active TS/SCI clearance with agency-specific polygraph (or equivalent security clearance) is mandatory. Location This role is based in Linthicum Heights, Maryland.

Apr 16, 2026
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Artech Information Systems LLC logoArtech Information Systems LLC logo
Data Center Specialist

Artech Information Systems LLC

Contract|On-site|Linthicum Heights

Join our dynamic team as a Data Center Specialist at Artech Information Systems LLC, where you will play a crucial role in maintaining the integrity and efficiency of our data center operations. Your expertise will help ensure that our infrastructure is optimized for performance and reliability.

Dec 14, 2016
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Themis Insight logo
Full-time|On-site|Linthicum Heights, MD

Themis Insight is at the forefront of solving complex business, IT, and analytical challenges by tackling the entire issue rather than just the symptoms. Our approach employs a blend of practical and innovative solutions, providing distinctive alternatives to conventional consulting firms. We pride ourselves on our small, highly skilled teams that are meticulously selected to address our clients' diverse needs across various industries. Our extensive interdisciplinary expertise equips us to deliver optimal solutions, even when they originate from outside the traditional problem space. We leverage both public and private sector knowledge, as well as civilian and military experience, to enhance our service delivery.We are currently seeking a Senior UI Application Engineer to join our team in Linthicum Heights, MD. Please note that the position's location may alter based on the requirements of our central Maryland clients.

Mar 29, 2026
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Wyetech LLC logoWyetech LLC logo
Full-time|$10K/yr - $10K/yr|On-site|Linthicum Heights, Maryland

Join Wyetech LLC, where innovation meets an award-winning corporate culture. We are dedicated to overcoming technological challenges and delivering effective solutions for our federal government clients. Our commitment to excellence creates a unique employee experience that is truly exceptional in our industry.As a Senior Application Engineer, you will design and implement software tools and subsystems aimed at enhancing software reuse and conducting domain analyses. Your responsibilities will include managing software development projects, utilizing formal specifications, data flow diagrams, and established design methodologies alongside Computer-Aided Software Engineering (CASE) tools. You will estimate development costs and timelines, review existing programs, and suggest enhancements to optimize performance and reduce operational time. Additionally, you will define and refine specifications for new applications or modify existing ones, ensuring documentation is thorough. You will also provide guidance and oversight to team members while ensuring quality assurance and product evaluation standards are met.Please note: Due to federal contract requirements, U.S. Citizenship and an appropriate security clearance (e.g., Active TS/SCI with agency-approved polygraph) are mandatory.

Mar 1, 2026
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Capitol Solutions Group logoCapitol Solutions Group logo
Senior Cloud Security Engineer

Capitol Solutions Group

Full-time|On-site|Linthicum Heights, Maryland

SECURITY CLEARANCE: TS/SCI with both Polygraphs is requiredPOSITION: Senior Cloud Security EngineerLCAT: Application Engineer, Level 4REQUISITION: NIN-AE4-18.062325OVERVIEW:Join our dedicated 'Security in the Cloud' team, focused on strengthening the security framework of our cloud environments. This team is tasked with formulating and upholding AWS service-specific guidelines for managing Sensitive Data (SD) and Ultra-Sensitive Data (USD), ensuring adherence to necessary handling protocols and requirements. The perfect candidate will have a robust background in security engineering, familiarity with security frameworks, and cloud security methodologies, while actively contributing to process enhancements and risk mitigation strategies.JOB DESCRIPTION:• Develop and document AWS service-specific guidelines for managing Sensitive Data (SD) and Ultra-Sensitive Data (USD), including handling protocols and read-in procedures.• Review and interpret Risk Management Framework (RMF) guidelines pertinent to both on-premises and cloud environments.• Analyze current on-premises security processes and adapt them into cloud security best practices aligned with RMF standards.• Provide strategic recommendations to governmental stakeholders regarding the migration of solutions from on-premises to cloud environments, ensuring compliance with security policies and frameworks.• Collaborate with interdisciplinary teams to implement security controls and guarantee secure cloud deployments.• Assist in the execution of security assessments, audits, and continuous improvement initiatives for cloud environments.• Stay updated on the latest cloud security standards, AWS service developments, and relevant certifications.

Jun 23, 2025
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Wyetech LLC logoWyetech LLC logo
Full-time|On-site|Linthicum Heights, Maryland

Join Wyetech and immerse yourself in an award-winning corporate culture dedicated to breaking technological barriers and addressing real-world challenges for our federal government clients. We prioritize hiring top talent and provide a distinctive employee experience that is truly exceptional within our sector. As an Application Engineer, you will be responsible for designing innovative software tools and subsystems that promote software reuse and facilitate domain analyses. You will lead the implementation of these systems, managing software development and support through formal specifications, data flow diagrams, and other accepted design methodologies, including Computer-Aided Software Engineering (CASE) tools. Your role includes estimating software development costs, reviewing existing applications to suggest refinements, and improving operating efficiencies. You will define specifications for new software applications and maintain existing ones, overseeing program design, coding, testing, debugging, and documentation. Additionally, you will mentor and guide fellow team members while ensuring quality assurance and evaluating both existing and emerging software products. As part of our Secure the Enterprise initiative, you will develop capabilities that transition our current manual system security evaluation and authorization processes to a modernized model, emphasizing automation, streamlined workflows, continuous monitoring, and comprehensive data gathering throughout the project lifecycle. Note: Due to federal contract requirements, U.S. Citizenship and appropriate security clearance (e.g., Active TS/SCI security clearance with agency polygraph) are mandatory.

Apr 9, 2026
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Wyetech LLC logoWyetech LLC logo
Full-time|On-site|Linthicum Heights, Maryland

Join Wyetech LLC, where innovation meets excellence in a dynamic work environment. As a part of our award-winning corporate culture, you will play a crucial role in overcoming technological challenges and delivering solutions for our federal government clients. We pride ourselves on attracting top talent and providing a distinctive employee experience that stands out in the industry. As a Senior Application Engineer specializing in DevOps, you will design and implement sophisticated software tools and subsystems that enhance software reuse and domain analysis. You will manage the entire software development lifecycle, employing formal specifications and data flow diagrams, while utilizing advanced Computer-Aided Software Engineering (CASE) tools. Your responsibilities include estimating development costs and timelines, refining existing programs, reducing operational time, and improving techniques. Additionally, you will formulate specifications for new applications and maintain existing ones using the latest engineering releases and utilities. In alignment with our Secure the Enterprise initiative, you will develop capabilities to transition from manual system security evaluations to a streamlined, automated model that emphasizes continuous monitoring and assessment throughout the project lifecycle. Please note that due to federal contract requirements, U.S. citizenship and appropriate security clearance (e.g., Active TS/SCI clearance with an agency-appropriate polygraph) are mandatory for this position.

Apr 9, 2026

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