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Mainframe Jobs in Reston, VA (NOW HIRING)

Tata Consultancy Service Limited

Engineer

Mclean, VA · On-site

$130K - $140K/yr

... OS Mainframe environment • Good working knowledge of CICS for online transaction processing • Strong experience with DB2 (SQL, embedded SQL, performance tuning) • Familiarity with VSAM (KSDS ...

System One Holdings, LLC

.NET Mainframe Developer

Vienna, VA · On-site

$49.25 - $63.25/hr

Job Title: .NET Developer Location: Remote Type: Contract Contractor Work Model: Remote Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time ...

System One

.NET Mainframe Developer

Vienna, VA · Remote

$50.25 - $64.50/hr

Job Title: .NET Developer Location: Remote Type: Contract Contractor Work Model: Remote Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time ...

System One

.NET Mainframe Developer

Vienna, VA · Remote

$50.25 - $64.50/hr

Job Title: .NET Developer Location: Remote Type: Contract Contractor Work Model: Remote Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time ...

System One

.NET Mainframe Developer

Vienna, VA · Remote

$50.25 - $64.50/hr

Job Title: .NET Developer Location: Remote Type: Contract Contractor Work Model: Remote Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time ...

System One

.NET Mainframe Developer

Vienna, VA · Remote

$50.25 - $64.50/hr

Job Title: .NET Developer Location: Remote Type: Contract Contractor Work Model: Remote Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time ...

System One

.NET Mainframe Developer

Vienna, VA · Remote

$50.25 - $64.50/hr

Job Title: .NET Developer Location: Remote Type: Contract Contractor Work Model: Remote Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time ...

System One

.NET Mainframe Developer

Vienna, VA · Remote

$50.25 - $64.50/hr

Job Title: .NET Developer Location: Remote Type: Contract Contractor Work Model: Remote Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time ...

Apex Systems

Infrastructure Engineer Specialist

Mclean, VA · On-site

$110K - $144K/yr

Serve as the technical lead for the Mainframe platform (z/OS, Dell Storage, IMS, DB2, RACF, CA JobTrac), governing operations, changes, and sustainability upgrade projects. * Act as the interface ...

Infojini Inc

HELP DESK

Washington, DC

$23.25 - $31.75/hr

Experience with Mainframe operations a plus including working knowledge and skill operating z/OS, JES2, VTAM, NetView, TSO, and the use of JCL to monitor and initialize Mainframe resources. 6.Strong ...

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Mainframe information

See Reston, VA salary details

$10

$55

$75

How much do mainframe jobs pay per hour?

As of Jul 24, 2026, the average hourly pay for mainframe in Reston, VA is $55.53, according to ZipRecruiter salary data. Most workers in this role earn between $49.04 and $63.03 per hour, depending on experience, location, and employer.

What is the average salary for mainframe jobs?

The average salary for mainframe professionals typically ranges from $70,000 to $120,000 annually, depending on experience, location, and certifications. Senior roles or specialized skills in mainframe environments, such as COBOL or JCL, can command higher salaries. Many positions also offer benefits like retirement plans and training opportunities.

What jobs in the US pay 300,000 a year?

Mainframe professionals such as senior systems architects, lead developers, and IT managers with extensive experience and specialized skills can earn $300,000 or more annually. These roles often require expertise in mainframe technologies like COBOL, JCL, and mainframe security, along with certifications and leadership responsibilities.

What are the key skills and qualifications needed to thrive as a Mainframe Developer, and why are they important?

To excel as a Mainframe Developer, a strong background in COBOL, JCL, mainframe operating systems (like z/OS), and database management is essential, often supported by a degree in computer science or a related field. Familiarity with tools such as IBM DB2, CICS, VSAM, and mainframe version control systems is typically required, and certifications like IBM Certified System Programmer can be advantageous. Analytical thinking, problem-solving abilities, and effective communication are important soft skills for identifying issues and collaborating with cross-functional teams. These skills ensure reliable maintenance, development, and modernization of mission-critical legacy systems that support large-scale business operations.

Is mainframe a good career option?

Mainframe careers involve working with large-scale computer systems used by many organizations for critical applications. The role typically requires knowledge of programming languages like COBOL, system administration, and understanding of legacy systems, with steady demand in finance, government, and large enterprises. It can be a stable career with opportunities for specialization and certification but may require ongoing learning of evolving technologies.

What Is a Mainframe Application Developer Job Description?

The job description of a mainframe application developer is to sustain the central data processing system, or mainframe. Common duties include designing applications, analyzing data, running reports, and deploying mainframe applications. This job requires a great deal of collaboration to keep the mainframe going and a strong understanding of mainframe languages. A key part of this role is to align the design of the mainframe with changing business needs.

What are mainframes and what do they do?

Mainframes are powerful computers used mainly by large organizations for critical applications, bulk data processing, large-scale transaction processing, and enterprise resource planning. They are known for their reliability, scalability, and security, making them essential for industries like banking, healthcare, and government. Mainframes can handle thousands of users and transactions simultaneously, supporting the core operations of many businesses.

What are some typical challenges faced by mainframe professionals when integrating legacy systems with modern technologies?

Mainframe professionals often encounter challenges when integrating legacy systems with newer technologies, such as ensuring data compatibility, managing security protocols, and minimizing downtime during migration. These tasks require a deep understanding of both the existing mainframe architecture and the modern platforms being introduced. Collaboration with cross-functional teams—including application developers, security specialists, and project managers—is essential to ensure seamless integration and to address potential issues proactively. Staying updated on the latest integration tools and best practices also helps in overcoming these challenges efficiently.

Can AI replace mainframe?

Mainframe professionals work with large-scale, mission-critical systems that require specialized skills in legacy technologies, security, and data management. While AI can automate certain tasks like data analysis and system monitoring, it is unlikely to fully replace mainframe roles due to the complexity and reliability requirements of mainframe environments. Instead, AI tools are often integrated to enhance efficiency and support mainframe operations.

What is the difference between Mainframe vs Mainframe Developer?

AspectMainframeMainframe Developer
Primary RoleMaintains and manages mainframe hardware and systemsDesigns, develops, and tests mainframe applications
Skills & CertificationsKnowledge of mainframe hardware, OS, and basic scriptingProficiency in COBOL, JCL, and mainframe programming languages
Work EnvironmentData centers, enterprise IT departmentsDevelopment teams within mainframe environments
Industry UsageUsed by organizations with legacy systemsDevelops and maintains those legacy systems

While Mainframe professionals focus on maintaining the hardware and system infrastructure, Mainframe Developers specialize in creating and updating mainframe applications. Both roles require knowledge of mainframe environments, but their responsibilities differ significantly within the same industry.

More about Mainframe jobs
What are popular job titles related to Mainframe jobs in Reston, VA? For Mainframe jobs in Reston, VA, the most frequently searched job titles are:
What job categories do people searching Mainframe jobs in Reston, VA look for? The top searched job categories for Mainframe jobs in Reston, VA are:
What cities near Reston, VA are hiring for Mainframe jobs? Cities near Reston, VA with the most Mainframe job openings:
Mainframe jobs near you
Infographic showing various Mainframe job openings in Reston, VA as of July 2026, with employment types broken down into 87% Full Time, 4% Part Time, and 9% Contract. Highlights an 84% Physical, 5% Hybrid, and 11% Remote job distribution, with an average salary of $115,507 per year, or $55.5 per hour.

Mainframe Storage Administrator

AHU Technologies, Inc.

Washington, DC • On-site

$95 - $100/hr

Full-time

Posted 19 days ago

Job description

Job Description:
Short Description:
Mainframe Storage Administrator with 8+ years managing and maintaining the storage systems for IMB System Z, Responsible for managing storage allocation, performance tuning, backup and recovery, and managing disaster recovery fail-over protocols.
Complete Description:
Responsibilities:
• Leads the adoption or implementation of an advanced technology or platform.
• Expert on the functionality or usage of a particular system, platform, or technology product.
• Serves as a consultant to clients, guiding the efficient use or adoption of a particular IT product or platform.
• Creates implementation, testing, and/or integration plans.
• Demonstrates expertise in a particular IT platform or service, allowing for maximum IT investment.
• Extensive knowledge of IBM z/OS system software, IBM utilities and 3rd party software..
• Extensive knowledge working with IBM, Dell/EMC and Hitachi disks.
• Extensive knowledge managing local and remote replication, initialization and full volume backup/archive/restore.
• Extensive knowledge working with tape silos(automatic tape libraries).
• Extensive knowledge of IBM and CA virtual tape storage.
Minimum Education/ Certification Requirements:
• Bachelor's degree in Information Technology or related field or equivalent experience
• Training or certification in a particular product or IT platform/service, as required
Skills:
• 16+ yrs. leading advanced technology projects or service projects. Required 16 Years
• 16+ yrs. full system engineering lifecycle. Required 16 Years
• 16+ yrs. creating implementation/integration plans, test plans, and training materials.
Required 16 Years
• 16+ yrs. hands-on experience in specific product or IT platform. Required 16 Years
• Industry certification/training in specific IT product/platform or service. Nice to have
Compensation: $95.00 - $100.00 per hour
About Us
AHU Technologies INCis an IT consulting and permanent staffing firm that meets and exceeds the evolving IT service needs of leading corporations within the United States. We have been providing IT solutions to customers from different industry sectors, helping them control costs and release internal resources to focus on strategic issues.
AHU Technologies INC was co-founded by visionary young techno-commercial entrepreneurs who remain as our principal consultants. Maintaining working relationships with a cadre of other highly skilled independent consultants, we have a growing number of resources available for development projects. We are currently working on Various projects such as media entertainment, ERP Solutions, data warehousing, Web Applications, Telecommunications and medical to our clients all over the world.

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