System Engineer III
- Level
- Senior
Not stated in the posting: salary, work type, visa.
Open. First seen 4 October 2026.
About the role
*This position requires an Active Top Secret SCI with Fullscope Polygraph clearance to be considered.*
Prosync's standard text
ProSync Technology Group, LLC (ProSync) is an award-winning, SDVOSB Defense Contracting company with a strong military heritage and a record of excellence in supporting the Department of Defense and the Intelligence Community. If you have prior military service or government contracting experience, are proud to serve and support our nation, and want to help support ProSync's mission to "Define and Redefine the State of Possible,” please apply today!
The System Engineer Analyzes user's requirements, concept of operations documents, and high level system architectures to develop system requirements specifications. Analyzes system requirements and leads design and development activities. Guides users in formulating requirements, advises alternative approaches, and conducts feasibility studies.
Provides technical leadership for the integration of requirements, design, and technology. Incorporates new plans, designs and systems into ongoing operations. Develops technical documentation.
Develops system Architecture and system design documentation. Guides system development and implementation planning through assessment or preparation of system engineering management plans and system integration and test plans. Interacts with the Government regarding Systems Engineering technical considerations and for associated problems, issues or conflicts.
Ultimate responsibility for the technical integrity of work performed and deliverables associated with the Systems Engineering area of responsibility. Communicates with other program personnel, government overseers, and senior executives.
The Level 3 System Engineer (SE) possess the following capabilities:
- Manage system requirements and derived requirements to ensure the delivery of production systems that are compatible with the defined system architecture(s) — Department of Defense Architecture Framework (DoDAF), Service-oriented Architecture (SOA), etc.
- Contribute to the development of sections of systems engineering documentation such as System Engineering Plans, Initial Capabilities Documents, Requirements specifications, and Interface Control Documents.
- Assist with the development of system requirements, functional requirements, and allocation of the same to individual hardware, software, facility, and personnel components.
- Coordinate the resolution of action items from Configuration Control Board (CCB) meetings, design reviews, program reviews, and test reviews that require cross-discipline coordination.
- Participate in an Integrated Product Team to design new capabilities based upon evaluation of all necessary development and operational considerations.
- Allocate real-time process budgets and error budgets to systems and subsystem components.
- Generate alternative system concepts, physical architectures, and design solutions.
- Define the methods, processes, and evaluation criteria by which the systems, subsystems and work products are verified against their requirements in a written plan.
- Develop system design solution that satisfies the system requirements and fulfills the functional analysis.
- Review and provide input to program and contract work breakdown structure (WBS), work packages and the integrated master plan (IMP).
- Participate in the development of system engineering documentation, such as System Engineering Plans, Initial Capabilities Documents, Requirements Specifications, and Interface Control Documents.
- Participate in interface definition, design, and changes to the configuration between affected groups and individuals throughout the life cycle.
- Derive from the system requirements an understanding of stakeholder needs, functions that may be logically inferred and implied as essential to system effectiveness.
- Derive lower-level requirements from higher-level allocated requirements that describe in detail the functions that a system component must fulfill, and ensure these requirements are complete, correct, unique, unambiguous, realizable, and verifiable.
- Participate in establishing and gaining approval of the definition of a system or component under development (requirements, designs, interfaces, test procedures, etc.) that provides a common reference point for hardware and software developers.
- Develop derived requirements for Information Assurance Services (Confidentiality, Integrity, Non repudiation, and Availability); Basic Information Assurance Mechanisms (e.g., Identification, Authentication, Access Control, Accountability); and Security Mechanism Technology (Passwords, cryptography, discretionary access control, mandatory access control, hashing, key management, etc.).
- Implement comprehensive SOA solutions.
- Implement operational view, technical standards view, and system and services view for architectures using applicable DoDAF standards.
- Review and/or approve system engineering documentation to ensure that processes and specifications meet system needs and are accurate, comprehensive, and complete.
- Capture all interface designs in a common interface control format, and store interface data in a commonly accessible repository.
- Assess each risk to the program and determine the probability of occurrence and quantified consequence of failure in accordance with an approved risk management plan.
- In conjunction with system stakeholders, plan the verification efforts of new and unproven designs early in the development life cycle to ensure compliance with established requirements.
- Prepare time-line analysis diagrams illustrating the flow of time-dependent functions.
- Establish a process to formally and proactively control and manage changes to requirements, consider impacts prior to commitment to change, gain stakeholder buy-in, eliminate ambiguity, ensure traceability to source requirements, and track and settle open actions.
- Manage and ensure the technical integrity of the system baseline over time, continually updating it as various changes are imposed on the system during the lifecycle from development through deployment and operations & maintenance.
- Support the planning and test analysis of the DoD Certification/Accreditation Process (as well as other Government Certification and Accreditation (C&A) processes).
- Support the development and review of Joint Capability Integration Development System (JCIDS) documents (i.e., Initial Capability Document, Capabilities Description Document, IA Strategy).
- Provide technical direction for the development, engineering, interfacing, integration, and testing of specific components of complex hardware/software systems to include requirements elicitation, analysis and functional allocation, conducting systems requirements reviews, developing concepts of operation and interface standards, developing system architectures, and performing technical/non-technical assessment and management as well as end-to-end flow analysis.
- Develop scenarios (threads) and an Operational Concept that describes the interactions between the system, the user, and the environment, that satisfies operational, support, maintenance, and disposal needs.
- Conduct quantitative analysis in non-functional system performance areas like Reliability, Maintainability, Vulnerability, Survivability, Produce-ability, etc.).
- Establish and follow a formal procedure for coordinating system integration activities among multiple teams, ensuring complete coverage of all interfaces.
- Develop comprehensive SOA solutions.
- Develop operational view, technical standards view, and system and services view for architectures using applicable DoDAF standards.
- Conduct and/or approve end-to-end system trade analyses to optimize system operations over its life-cycle through the proper balance of non-functional system performance areas.
- Use validated models, simulations, and prototyping to mitigate risk and reduce cost of system development.
- Ensure effective, periodic review and control of the evolving configuration of a system, both hardware and software components and associated documentation, during the life of the system.
- Serve as a member of the CCB.
- Develop system design alternatives that consider life cycle cost, reuse, complexity, risk, system expansion, and growth.
- Develop alternative courses of action, workarounds, and fall back positions with a recommended course of action for each risk, and monitor and re-evaluate risks at appropriate milestones. Monitors risks using earned value management (EVM) data.
- Maintain knowledge of current and evolving agency, national, and international standards applicable to the system development of interest. Apply and enforce use of suitable standards to ensure consistency and interoperability of developer hardware and software.
- As a participant within an Analysis of Alternatives (AoA) effort, recommend a preferred solution based on selection criteria adjusted for reasonableness and validity of assumptions, technology limitations, environmental impact, and life-cycle costs.
- Provide technical direction for the development, engineering, interfacing, integration, and testing of all components of complex hardware/software systems to include requirements elicitation, analysis and functional allocation, conducting systems requirements reviews, developing concepts of operation and interface standards, developing system. architectures, and performing technical/non-technical assessment and management as well as end-to-end flow analysis
- Improve standard integration strategies based upon rationale for previous decisions that resulted in improved integration performance.
- Fully define interfaces in terms of origination, destination, stimulus, and data characteristics for software; and electrical and mechanical characteristics for hardware.
Requirements
The System Engineer shall be responsible for consolidating multiple Jira Service Desk instances and creating a unified, user friendly customer service desk to enhance the HPC organization’s service management capabilities and user experience.
Required Skills
- Twenty (20) years' experience as a SE in programs and contracts of similar scope, type and complexity is required. Demonstrated experience in planning and leading Systems Engineering efforts is required.
- An industry recognized professional certification, as defined in the TT0s, may substitute as one (1) year experience. A Master's Degree in Computer Science or related field may substitute for two (2) years' experience.
- Experience using the Linux CLI.
- Extensive experience with Jira Service Desk configuration, administration, and customization.
- Proficient in UI/UX design and development using relevant tools and frameworks.
- Experience with API integration and scripting (Bash, Python).
- Excellent written and verbal communication skills with strong attention to detail.
- Experience using the Atlassian Tool Suite (JIRA, Confluence).
- An active Top Secret/SCI w/ Polygraph clearance is required.
Desired Skills
- Familiar with Agile software development methodologies and project management tools.
- Experience with the Git Source Control System.
Education
- A Bachelor's degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required OR in lieu of a degree, five (5) years of additional SE experience may be substituted.
Prosync's standard text
Benefits
Join PROSYNC and enjoy our great benefits!
Compensation:
- We offer bonuses that are awarded quarterly to our employees and our compensation rates are highly competitive.
Prosync's standard text
Health & Retirement:
- We offer a comprehensive Health Benefits package and 401K Retirement plan so you can take care of yourself and your family, now and in the future. Other health-related benefits include an employee assistance program for those difficult times or when you need to take care of your mental health.
Education:
- Individual growth is a priority at ProSync. Employees are encouraged to take advantage of our company-sponsored continuing education program so you can get your degree or that next certification you need to propel you to the next level.
Prosync's standard text
Work/Life Balance:
- A healthy work/life balance is essential for building and executing your work effectively at ProSync, but it’s also necessary to allow you the room to pursue everything else you want to develop in your personal life.. We offer generous Paid Time Off and 11 paid holidays a year. ProSync also provides flexible work options that work with your schedule and lifestyle.
What this role asks for
Particular to this role
Agile
Rare in Prosync's other 44 open postings.
Standard for software engineering roles
Python
Common in software engineering postings at any company.
88% of this description is written for the role. The rest is Prosync's standard text, folded away below.
Read against Prosync's other open postings on this site.
The team: Programs HIRES STEADILY
This role is one of 37 open in Programs. 14 were posted in the last 30 days and the oldest in January: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Cybersecurity (11 of 37), Linux (9 of 37), Jira (7 of 37), Cisco (6 of 37), Python (6 of 37), Kubernetes (5 of 37), Docker (4 of 37)
OTHER ROLES ON THIS TEAM
- Sr. Information System Security Officer posted Oct 6
- Systems Engineer I/II OR Software Engineer 0/I/II posted Oct 2
- Systems Engineer I OR Systems Administrator II posted Oct 2
- Software Engineer II (Zabbix) posted Oct 2
- System Engineer V posted Oct 2
- Network Engineer II posted Oct 2
- Network Engineer II posted Oct 2
- System Engineer III (Linux/Windows) posted Oct 2
- Software Engineer II/III (Java) posted Oct 2
- Software Engineer I/II posted Oct 2
- Software Engineer II posted Oct 2
- Network Engineer II posted Oct 2
- System Engineer IV posted Oct 2
- Software Engineer III posted Sep 30
- Information Security Specialist II/III (SCG) posted Sep 17
- Security Specialist I posted Aug 17
- Security Specialist I (COMSEC/PHYSEC/INFOSEC/PERSEC) posted Jul 13
- Security Specialist II/Alarms/Locks posted Jun 25
- Security Specialist II (COMSEC/PHYSEC/INFOSEC/PERSEC) posted Jun 17
- Locksmith/Security Specialist II posted May 22
- Security Specialist II posted May 22
- Information System Security Specialist III posted May 1
- Information System Security Specialist II posted May 1
- Security Specialist II (COMSEC/PHYSEC/INFOSEC/PERSEC) posted Apr 29
- Security Specialist III (COMSEC/PHYSEC/INFOSEC/PERSEC/OPSEC) posted Apr 29
- Program/Project Manager II posted Apr 29
- Management Analyst II posted Apr 29
- Management Analyst I posted Apr 29
- Supervisory Technical Writer posted Apr 14
- Management Analyst II posted Apr 14
- Technical Writer II posted Apr 8
- Technical Instructor/Curriculum Developer posted Apr 8
- Information System Security Officer 2 posted Mar 9
- System Administrator II posted Feb 9
- Technical Writer II posted Feb 9
- System Engineer III posted Jan 13
From the team and dates on Prosync's own job board.
Other openings for this role
2 open postings for this role in Annapolis Junction, first posted 4 October 2026. The company is likely hiring for more than one position. None has been taken down and posted again.
- 4 October 2026 – open (this posting)
- 4 October 2026 – open
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