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On Call Operating System Developer Jobs in Baltimore, MD

Synergy ECP

Linux System Administrator

Columbia, MD · On-site

Synergy ECP is a leading provider of cybersecurity, software and systems engineering and IT service ... operating systems • Install and maintain operating system software and related components • ...

CACI bv

DevOps Engineer

Annapolis Junction, MD · On-site

$54 - $73.75/hr

... Senior DevOps Engineer to implement, troubleshoot, and maintain IT systems, ensuring smooth and ... load operating system software, troubleshoot, maintain integrity of, and configure network ...

SW Complete

System Administrator

Columbia, MD · On-site

The company leverages its expertise in data transport solutions, software and systems engineering ... Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating ...

Synergy ECP LLC

System Administrator

Columbia, MD · On-site

The company leverages its expertise in data transport solutions, software and systems engineering ... Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating ...

MANTECH

Senior System Administrator

Laurel, MD

$85.70K - $116K/yr

Installs/loads operating system software, troubleshoot and maintain integrity and configure network ... Demonstrated experience in planning and leading Systems Engineering efforts is required. * Must be ...

MANTECH

Senior System Administrator

Laurel, MD

$85.70K - $116K/yr

Installs/loads operating system software, troubleshoot and maintain integrity and configure network ... Demonstrated experience in planning and leading Systems Engineering efforts is required. * Must be ...

MANTECH

Senior System Administrator

Laurel, MD

$85.70K - $116K/yr

Installs/loads operating system software, troubleshoot and maintain integrity and configure network ... Demonstrated experience in planning and leading Systems Engineering efforts is required. * Must be ...

SW Complete

System Engineer

Annapolis, MD · On-site

Our capabilities are focused on software engineering, cybersecurity, system engineering and ... Demonstrated experience using the Linux operating system, to include use of the command-line.

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On Call Operating System Developer information

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How much do on call operating system developer jobs pay per hour?

As of May 30, 2026, the average hourly pay for on call operating system developer in Baltimore, MD is $48.55, according to ZipRecruiter salary data. Most workers in this role earn between $41.11 and $56.83 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an On Call Operating System Developer, and why are they important?

To thrive as an On Call Operating System Developer, you need deep expertise in low-level programming, operating system architecture, and debugging, often backed by a degree in computer science or related fields. Proficiency with languages like C/C++, debugging tools (e.g., GDB, WinDbg), and familiarity with version control systems such as Git are typically required. Strong problem-solving abilities, quick decision-making, and effective communication are vital soft skills for responding to urgent production incidents. These capabilities are crucial to rapidly diagnose, address, and prevent system-level failures, ensuring system stability and uptime.

How does the on-call aspect of an Operating System Developer role impact work-life balance and daily routines?

As an On Call Operating System Developer, you may be required to respond to critical system issues or outages outside of regular business hours. This can mean unpredictable work schedules during on-call periods, but teams often rotate responsibilities to help maintain work-life balance. It's important to have strong time management skills and clear communication with your team to ensure coverage and minimize disruptions. Many organizations provide compensatory time off or additional pay for on-call duties, and being on call offers valuable experience in troubleshooting high-stakes, real-world problems.

What are On Call Operating System Developers?

On Call Operating System Developers are specialized software engineers responsible for maintaining, troubleshooting, and improving operating systems, often in real-time or emergency scenarios. They are typically available outside of regular business hours to address critical bugs, security vulnerabilities, or system outages. Their work ensures that operating systems remain stable, secure, and performant, especially when unexpected issues arise. These developers need deep technical expertise in OS internals and must be able to quickly diagnose and resolve complex problems.

What jobs make $3,000 a month without a degree?

On Call Operating System Developers typically require specialized technical skills and often hold degrees, but some related roles like freelance software testers, technical support specialists, or IT consultants can earn around $3,000 monthly without a formal degree, especially with experience and certifications. These jobs often involve troubleshooting, system maintenance, or remote work, and may require knowledge of operating systems and scripting tools.

What is the difference between On Call Operating System Developer vs System Software Engineer?

AspectOn Call Operating System DeveloperSystem Software Engineer
Primary FocusMaintaining, debugging, and updating operating systems during on-call shiftsDesigning, developing, and testing system software and tools
Work EnvironmentTypically in tech companies or data centers, often on-call for urgent issuesOffice or remote, involved in development projects
Required SkillsOS internals, troubleshooting, scripting, real-time problem solvingProgramming, system architecture, software development
CertificationsRelevant certifications like Linux Foundation or Microsoft certificationsComputer science degrees, certifications in software development

While both roles involve working with system-level software, the On Call Operating System Developer primarily focuses on maintaining and troubleshooting operating systems during on-call periods, whereas the System Software Engineer is involved in designing and developing system software in a broader development environment.

What are the most commonly searched types of Operating System Developer jobs in Baltimore, MD? The most popular types of Operating System Developer jobs in Baltimore, MD are:
On Call Operating System Developer jobs near you
System Administrator 2

System Administrator 2

iNovex Information Systems

Annapolis, MD • On-site

$165K - $215K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 22 days ago

Job description

Job Brief
AI Importation
Job Description
RealmOne is the GOAT - where your career can reach the greatest heights!
RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch industry professionals.
Join us on this journey as we execute this mission-critical contract providing full life cycle software asset management support.
Your effort and expertise are crucial to the success and execution of this impactful mission. This opportunity supports a team of Application Engineers, Database Engineers, Information Systems Security Engineers, Network Engineers, Software Engineers, System Administrators, Systems Engineers, Technical Writers, by supporting the full life cycle of IT resources.
Job Description:
Provides support for implementation, troubleshooting and maintenance of information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Provides Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems. Provides support for the escalation and communication of status to agency management and internal customers. Provides support for the dispatch system and hardware problems and remains involved in the resolution process. Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance.
The Level 2 System Administrator shall possess the following capabilities:
  • Provide support for implementation, troubleshooting and maintenance of IT systems.
  • Provide configuration management, implementation, and sustainment of compliance with applicable system security controls.
  • Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.
  • Implement IAVA security patches and insure patch status is recorded in appropriate systems of record.
  • Provide support for the escalation and communication of status to agency management and internal customers.
  • Optimize system operations and resource utilization, and perform system capacity analysis and planning.
  • Provide in-depth experience in trouble-shooting IT systems.
  • Provide detailed analysis and feedback to agency management and internal customers for escalated tickets.
  • Provide support for the dispatch system and hardware problems and remains involved in the resolution process.
  • Configure and manage UNIX, Linux and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance.
  • Communicate and coordinate with the Information System Security Officer (ISSO) and Information System Owner (ISO) regarding system changes as part of the Change and Configuration Management Process.
  • Support the ISO by completing required milestones of Plan of Action & Milestones (POA&M)as directed and coordinate completion status with the ISSO to reflect status within the Source System of Record for Security Authorizations.
  • Ensure IT Assets remain compliant with Identity & Access Control Management (ICAM) policy.
  • Provide Tier 2 (Escalation) problem identification, diagnosis and resolution of problems.

Qualifications:
  • Bachelor's degree in a technical discipline from an accredited college or university is required. Four (4) years of additional SA experience may be substituted for a bachelor's degree.
  • Ten (10) years' experience as a SA in programs and contracts of similar scope, type, and complexity is required.
  • Four (4) years of experience with Service Management (ITSM) is required.
  • One (1) year experience integrating ServiceNow with other applications is required.

Certifications Required:
  • Requires DoD 8570 compliance Information Assurance Technical (IAT) Level II certification.

Position requires active Security Clearance with appropriate Polygraph
Pay Range: 165,000-215,000
The RealmOne pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Our approach to crafting offers considers various factors to establish an equitable and competitive compensation package. These considerations include, but are not limited to, the extent and intricacy of the role's responsibilities, the candidate's educational background, their work experience, and the specific competencies crucial for success in the role.
RealmOne Benefits:
  • Healthcare Coverage + Insurance: Medical: Three (3) rich healthcare options through CareFirst with 100% or majority company-paid premiums. Tax-advantaged health savings account available with generous employer contribution. Dental + Vision: 100% employer-paid for employees and family with buy-up option available.
  • Retirement + Savings: 401K - 10% TOTAL CONTRIBUTION - 5% safe harbor - 5% annual profit share. Immediate vested, no match required!
  • Paid Time Off + More: 4 weeks starting PTO - 11 federal holidays + 2 floating holidays - Paid hours for company-required training.
  • Career Growth + Development: Access to FREE 24/7 learning via Udemy - Opportunities to participate in tech councils, industry initiatives, etc. - $7,500 annual Educational & Professional Development Assistance.
  • MORE BENEFITS...FOR EVERY LIFESTYLE! - Paid parental leave - Adoption assistance - Annual swag drops - Flexible work schedules - -Generous referral bonus program - Employee appreciation + family-friendly corporate events ...and much more.

ABOUT US
  • RealmOne is a mid-sized science and technology company dedicated to solving our customers' toughest mission challenges.
  • Headquartered in Columbia, MD., RealmOne supplies advanced cybersecurity, data science and software engineering services and products to customers in the Government and commercial sectors.
  • RealmOne delivers encompassing mission assurance and critical systems support to government customers across various U.S. locations to include Colorado, Georgia, Hawaii, Texas, Utah, and Virginia.
  • RealmOne has earned numerous awards, including being named a Top Workplace by the Baltimore Sun. With more than 30+ active contracts, 12 of which are prime, RealmOne stands as a premier innovator supporting the Government and Department of Defense, with team members located nationwide.

Disclaimer: Benefits packages offered by RealmOne are subject to variation and may differ based on work location, clearance level, and other eligibility criteria. Specific eligibility, availability, and scope of benefits are not guaranteed, may differ from those generally described, and remain subject to modification at the sole discretion of the company.

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