Tista Science and Technology Corporation

Senior Systems Engineer

Job ID 2021-2537
Job Locations US-Remote-United States


TISTA Science and Technology Corporation, a CMMI Maturity Level 3 company, focuses on delivering information technology and professional services to Federal and State agencies. TISTA is recognized in 2019 by Inc. 5000 as one of the fastest growing private companies in the US. TISTA is also a recipient of 2019 Top Veteran-Owned Companies by the Washington Business Journal. TISTA also received a 2018 Moxie Award in the GovCon category. Veterans are strongly encouraged to apply! 


Are you a Sr. Systems Engineer that would like to be part of delivering initiatives for digitization, automation, modernization, and interoperability of systems and processes to provide Veterans and their families the most efficient and timely service and benefits? Our team will provide application modernization, implementing a standard platform, common data sharing models, and establish a standardized approach to software delivery resulting in a positive impact for millions of people. If so, we may have an opportunity for you! 


  • Work as part of cross-functional Agile and SDLC project teams or support individual product
  • Provide technical support in system architecture, system design, security requirements, integration and technical management
  • Prepare and maintain required engineering documentation
  • Participate in Product increment planning activities
  • Support determination and compliance of Key Performance Indicators (KPI) as part of Program Increment (PI) planning and backlog prioritization activities
  • Participate in PI planning and contribute to incremental DevSecOps maturity
  • Provide requirements analysis and support systems assurance reviews
  • Meet or exceed Service Level Agreements (SLA) targets
  • Advise customer in capacity planning operations and performance monitoring and management
  • Assist with determination and document of the baseline IT Security requirements for IT Systems, identifying and documenting system boundaries, determining information categories, and assisting with meeting FIPS-199 requirements
  • Assist with coordination and management of security vulnerability and penetration assessments (network, web, application) to identify control weaknesses, assess the effectiveness of existing controls and provide meaningful remediation
  • Participate in refactoring or re-platforming of existing services, applications and application programmable interfaces (API)
  • Communicate complex technical concepts, design ideas, and implementation details in writing and verbally
  • Support risk management activities, and ensure key stakeholders are kept informed about progress and expected outcomes, and propose and take corrective action as appropriate
  • Support the development of a detailed project schedule, including SA&A/SCA task and milestones, task dependencies, and personnel resources
  • Participate in the review and generate input Privacy Impact Assessments (PIA), Disaster Recovery Plan (DRP), Information System Contingency Plan (Standard Operating Procedures (SOPs) and Plans of Action and Milestones (POAMS), as applicable
  • Research and stay up-to-date on industry best practices


  • A minimum of five (5) years of demonstrated relevant work experience
  • Experience with developing and managing POA&M’s is preferred
  • Previous experience in legacy modernization including supporting applications with little documentation
  • Displays technical experience with conducting research and providing review recommendations on software and technologies for vulnerabilities
  • Experience with conducting audit log reviews
  • Strong problem solving and analysis skills, self-motivated, and able to work and communicate in a team environment
  • Strong written and verbal communication.
  • Strong analytical and problem solving skills.
  • Ability to interact and cooperate with developers and analysts
  • Ability to effectively work with people from all organizational levels and build consensus through negotiation
  • DevSecOps experience a plus
  • InterSystems/Iris experience and expertise is required
  • Veterans Affairs experience preferred


  • Bachelor's Degree in related field of study
  • Certified developer for Intersystems/IRIS (required)


  • Ability to obtain an MBI clearance


  •  Remote

Here at TISTA Science and Technology, we value Veterans and encourage all to apply!
#thinktista #tistacares #tistavaluesvets


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