Systems Engineer/Developer (TS/SCI w/ Poly) - Mission Critical
Leading Path Consulting
Job Description
Job Description
We are seeking a hands-on Systems Engineer with deep expertise across infrastructure, platforms, and application ecosystem spanning cloud and on-premises environments. This role requires a proven practitioner who can analyze existing (“as-is”) systems and applications, document current state architectures, design future-state solutions, and implement system enhancements or technology transformations end-to-end.
The ideal candidate is a technical leader and achiever who can seamlessly collaborate across infrastructure, platform, application, DevSecOps, information systems security, and data teams while maintaining ownership of system reliability, performance, scalability, and security.
QUALIFICATIONS
Bachelor’s Degree in Computer Science, IT, or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience
Minimum ten (10) years of related systems engineering experience
REQUIRED KNOWLEDGE/SKILLS
The candidate must demonstrate hands-on experience in all the following areas:
Infrastructure & Platforms
Enterprise networking (e.g. routing, switching, firewalls, load balancers, DNS)
Storage technologies (e.g. SAN, NAS, object storage)
Virtualization and container platforms (VMware, Hyper-V, Kubernetes, Docker)
Windows and Linux (Redhat, CentOS) operating systems (administration, hardening, automation)
Data platforms (HPCC, Hadoop/Cloudera)
Cloud & On-Prem Technologies
Cloud platforms (AWS, Azure, and/or GCP)
Hybrid and on-prem infrastructure design and integration
Cloud networking, identity, security, and cost optimization
Data & Application Platforms
Relational and NoSQL databases – relational (e.g., Oracle, PostgreSQL, MySQL, SQL Server) and NoSQL (e.g., MongoDB, Cassandra, DynamoDB, Redis) databases
Data platforms (HPCC, Hadoop/Cloudera)
Data pipelines, and ETL frameworks – with ETL pipelines, Airflow, Kafka, Spark, or similar frameworks
Web services, APIs, and middleware
Software development lifecycle (SDLC) fundamentals
Engineering & Automation
Infrastructure as Code – Scripting Automation: Python, Bash, PowerShell, Terraform, Ansible, or CloudFormation
Configuration management and scripting (PowerShell, Bash, Python, etc.)
CI/CD integration with infrastructure and platforms (Jenkins, GitLab CI/CD, GitHub Actions, GitOps)
Security best practices and system hardening
Monitoring Incident Response: Proficiency with tools like Prometheus, Grafana, Splunk, ELK Stack, CloudWatch
Architecture & Design
Ability to create:
o As-is architecture documentation
o To-be architecture and detailed engineering designs
o Implementation and migration plans
DESIRED SKILLS
Observability and monitoring tools (logging, metrics, tracing)
Zero Trust and modern security architectures
Data analytics, AI/ML platform exposure
Experience supporting regulated or mission-critical environments
Relevant certifications (cloud, systems, security, or architecture)
Knowledge of machine learning platforms (TensorFlow, PyTorch, SageMaker)
Familiarity with big data ecosystems (Hadoop, Databricks, Snowflake, Google, BigQuery)
Strong background in ITIL processes and agile methodologies
Certifications: AWS Solutions Architect / DevOps Engineer, Azure Administrator, Kubernetes CKA/CKAD, ITIL Foundation
KEY RESPONSIBILITIES
Perform hands-on systems engineering across network, compute, storage, operating systems, middleware, databases, and applications
Analyze and document as-is infrastructure, platform, and application architectures
Design to-be architectures and detailed engineering designs for modernization, optimization, and transformation initiatives
Lead and execute cloud and on-prem system implementations, migrations, and upgrades
Ensure systems meet availability, scalability, performance, security, and compliance requirements
Integrate infrastructure and platforms with DevOps and DevSecOps pipelines
Troubleshoot complex, cross-stack issues spanning infrastructure, platforms, and applications
Collaborate effectively with:
o Infrastructure & Platform Engineers
o Software Engineers
o DevOps / DevSecOps Engineers
o Data Engineers (ETL)
o Data Modelers, Data Scientists, and Data Analysts
Produce clear technical documentation, diagrams, standards, and runbooks
Serve as a technical authority and escalation point for complex system issues
Communication Skills: Ability to brief executives clearly and translate technical issues into business impact
IDEAL CANDIDATE PROFILE
Recognized SME with deep, hands-on technical expertise
Strong systems thinker with the ability to see and engineer across the full stack
Comfortable operating at both strategic architecture and tactical implementation levels
Excellent communication and collaboration skills across technical and non-technical teams
Proven ability to own complex systems from design through production
Requirements
*Eligible TS/SCI w/ FS Poly
QUALIFICATIONS
Bachelor’s Degree in Computer Science, IT, or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience
Minimum ten (10) years of related systems engineering experience
REQUIRED KNOWLEDGE/SKILLS
The candidate must demonstrate hands-on experience in all the following areas:
Infrastructure & Platforms
Enterprise networking (e.g. routing, switching, firewalls, load balancers, DNS)
Storage technologies (e.g. SAN, NAS, object storage)
Virtualization and container platforms (VMware, Hyper-V, Kubernetes, Docker)
Windows and Linux (Redhat, CentOS) operating systems (administration, hardening, automation)
Data platforms (HPCC, Hadoop/Cloudera)
Cloud & On-Prem Technologies
Cloud platforms (AWS, Azure, and/or GCP)
Hybrid and on-prem infrastructure design and integration
Cloud networking, identity, security, and cost optimization
Data & Application Platforms
Relational and NoSQL databases – relational (e.g., Oracle, PostgreSQL, MySQL, SQL Server) and NoSQL (e.g., MongoDB, Cassandra, DynamoDB, Redis) databases
Data platforms (HPCC, Hadoop/Cloudera)
Data pipelines, and ETL frameworks – with ETL pipelines, Airflow, Kafka, Spark, or similar frameworks
Web services, APIs, and middleware
Software development lifecycle (SDLC) fundamentals
Engineering & Automation
Infrastructure as Code – Scripting Automation: Python, Bash, PowerShell, Terraform, Ansible, or CloudFormation
Configuration management and scripting (PowerShell, Bash, Python, etc.)
CI/CD integration with infrastructure and platforms (Jenkins, GitLab CI/CD, GitHub Actions, GitOps)
Security best practices and system hardening
Monitoring Incident Response: Proficiency with tools like Prometheus, Grafana, Splunk, ELK Stack, CloudWatch
Architecture & Design
Ability to create:
o As-is architecture documentation
o To-be architecture and detailed engineering designs
o Implementation and migration plans
DESIRED SKILLS
Observability and monitoring tools (logging, metrics, tracing)
Zero Trust and modern security architectures
Data analytics, AI/ML platform exposure
Experience supporting regulated or mission-critical environments
Relevant certifications (cloud, systems, security, or architecture)
Knowledge of machine learning platforms (TensorFlow, PyTorch, SageMaker)
Familiarity with big data ecosystems (Hadoop, Databricks, Snowflake, Google, BigQuery)
Strong background in ITIL processes and agile methodologies
Certifications: AWS Solutions Architect / DevOps Engineer, Azure Administrator, Kubernetes CKA/CKAD, ITIL Foundation
KEY RESPONSIBILITIES
Perform hands-on systems engineering across network, compute, storage, operating systems, middleware, databases, and applications
Analyze and document as-is infrastructure, platform, and application architectures
Design to-be architectures and detailed engineering designs for modernization, optimization, and transformation initiatives
Lead and execute cloud and on-prem system implementations, migrations, and upgrades
Ensure systems meet availability, scalability, performance, security, and compliance requirements
Integrate infrastructure and platforms with DevOps and DevSecOps pipelines
Troubleshoot complex, cross-stack issues spanning infrastructure, platforms, and applications
Collaborate effectively with:
o Infrastructure & Platform Engineers
o Software Engineers
o DevOps / DevSecOps Engineers
o Data Engineers (ETL)
o Data Modelers, Data Scientists, and Data Analysts
Produce clear technical documentation, diagrams, standards, and runbooks
Serve as a technical authority and escalation point for complex system issues
Communication Skills: Ability to brief executives clearly and translate technical issues into business impact
IDEAL CANDIDATE PROFILE
Recognized SME with deep, hands-on technical expertise
Strong systems thinker with the ability to see and engineer across the full stack
Comfortable operating at both strategic architecture and tactical implementation levels
Excellent communication and collaboration skills across technical and non-technical teams
Proven ability to own complex systems from design through production
Benefits
Leading Path is an award-winning Information Technology and Management Consulting firm focused on providing solutions in process, technology, and operations to our government and Fortune 500 clients. We offer a professional and family friendly work environment with a strong work-life balance. Leading Path provides a comprehensive and competitive benefits package including fully paid medical/dental/vision premiums, generous PTO, 11 Paid Holidays, 6% 401K contribution, annual training and tuition reimbursement, SPOT Award bonuses, regular team events, opportunities for professional growth and advancement and much more!
- DescriptionEnterprise Architect/ Systems Engineer - TS/SCI with CI Poly Xcelerate Solutionsis... ...area. You will play a critical role in documenting... ...: Active TS/SCI w/CI Poly Responsibilities: Develop an IT enterprise... ...capabilities, dependencies, and mission critical impacts and...Suggested
- ...opportunity to serve as a critical component of our... ...Job Description SYSTEMS ENGINEER SENIOR Are you... ...and contribute to a mission that truly matters,... ...sequence analysis to develop sound recommendations... ...CLEARANCE: Active TS/SCI clearance with poly US citizenship required...SuggestedWork from homeFlexible hours
$164.38k - $274.52k
...Systems Engineer SME (TS/SCI with Poly Required) Job Category : IT Infrastructure... ...unique, high-value mission solutions while... ...valued workforce to meet critical mission requirements... .../familiarity w/Cloud. The candidate... ...working with system developers to elicit...SuggestedFull timeWork experience placement- ...opportunity to serve as a critical component of our... ...and various software engineering, infrastructure, and technical... ...for their specific mission. An essential skill... ...roadmap development and systems integration, and... ...position requires an active TS/SCI with Polygraph...SuggestedJob sharingFor contractors
$89.6k - $204k
Cybersecurity Systems Engineer (Entry Level to SME) TS/SCI with Poly REQUIRED Position Description... ...the national security mission through cutting edge technology... ...execution during critical incidents or cyber test... ...creates value. You’ll develop innovative solutions and...SuggestedWork at officeLocal area- ...opportunity to serve as a critical component of our... ...are seeking a hands-on Systems Engineer with deep, practical... ...is” architectures and develop detailed “to-be” designs... ...Experience supporting mission-critical systems... ...Security Clearance: TS/SCI with Polygraph US Citizenship...Contract workWork experience placement
- ...SME Systems Engineer GCI embodies excellence, integrity... ..., high-value mission solutions while effectively... ...workforce to meet critical mission... ...Administrator/familiarity w/Cloud. The... ...with system developers to elicit requirements... ...an active/current TS/SCI with Polygraph clearance...Work experience placement
- ...Description Job Description TS/SCI w POLY required **About the Role:... ...Android Mobile Application Developer to build and test mobile... ...experience in Computer Science, Engineering, or a related field. - At... ...(e.g., Git). - Software systems development experience and understanding...
- ...differently. Come be part of a mission, not just a job, where... ...Clearance at the TS/SCI with CI poly level. Build the Engine Behind the Map. We're... ...that drives critical decisions. You'll design... ...incidents and optimize systems Develop and maintain platform tooling...Permanent employment
$164.38k - $274.52k
...Systems Engineer SME (TS/SCI with Poly Required) Job Category: IT Infrastructure and... ...deliver unique, high-value mission solutions while effectively... ...valued workforce to meet critical mission requirements in... ...customer crypto devices and developing effective solutions....Full timeWork experience placementFlexible hours$89.6k - $204k
Systems Engineer (Entry Level to SME) TS/SCI with Poly REQUIRED Position Description CGI Federal has an exciting opportunity... ...advancing the national security mission through cutting edge technology.... ...testing of complex components. Develop scenarios, threads, and...Work at officeLocal area- McLean VA Our Mission Statement At Aperio Global, we bring together... .... Senior Geospatial Data Engineer TS/SCI with Polygraph Required McLean... ...Geospatial Data Engineer to develop scalable geospatial... ...products that support mission‑critical decision making. What You’ll...Contract workTemporary workLocal area
- ...SME Systems Engineer GCI embodies excellence, integrity and... ...unique, high-value mission solutions while effectively... ...workforce to meet critical mission requirements in... ...is" architectures and develop detailed "to-be" designs... ...an active/current TS/SCI with Polygraph clearance...Work experience placement
- ...searching for a Senior Systems Integrator Engineer to provide the following... ...system patching • Develop server builds for... ...validate and implement critical system patches, and... ...Must have an active TS/SCI with Counterintelligence Poly • Experience in system...Work at officeRemote workFlexible hours
- ...technology into opportunity as a Systems Engineer. A career in enterprise IT means... ...WILL MAKE AN IMPACT: Develop and apply advanced engineering and... ...8 years Must have an Active TS/SCI and willing to obtain and maintain a CI Poly Certifications: DoD Manual 85...Temporary workWork at officeLocal areaRelocation package
- ...Own your opportunity to serve as a critical component of our nation’s safety and security... ...safety and security of our nation as a Systems Engineer at GDIT. You’ll apply the latest... ...SUCCEED: ~ The position requires an active TS/SCI with Polygraph clearance ~10+ years...
$150k - $250k
...Seeking a mid-level Systems Engineer for a full-time position... ...applying systems and mission engineering... ...approaches to designing and developing complex systems with... ...identify and analyze critical capability gaps. Development... ...Requirement: Active TS/SCI Salary range...Full time- ...opportunity to serve as a critical component of our... ...Integrator and help ensure the mission is never interrupted.... ...state of the art systems on cloud and... ...in Computer Science, Engineering, or a related technical... ...Security Clearance: TS/SCI with Polygraph Location...Part timeFor contractorsWork experience placement
- ...Description: Senior Principal Cyber Systems Engineer (DevOps Engineer) The... ...functional teams to debug critical issues. Candidate will also... ...Only Candidates with a TS/SCI CI Poly Clearance will be considered... ...Document key features for developer use o Help write and maintain...
$174k - $238k
...work. We're all in on this mission. If you are too, let's... ...experienced Staff Site Reliability Engineer to join Okta's Federal... ...of production systems. You will serve as a technical... ...Security Clearance: Active U.S. TS/SCI clearance with Full Scope Poly Compliance Expertise:...Local areaWorldwideFlexible hours- ...Position Title: Systems and Platform Engineer We are seeking a highly skilled... ...role, you will design, develop, and optimize Kubernetes... ...power enterprise AI for the mission of customers. The... ...Intelligence Community Campus. TS/SCI with CI Poly is required for position...
- ...Description Job Description Mission Analysis Engineer – Aerospace Systems (All levels considered) (TS/SCI Clearance) Herndon, VA... ...simulate complex missions, develop tools and automation, and influence... ...Our specialty lies in the critical area of program talent...Remote work
- ...Description Expert Systems Engineer – TS/SCI FSP Department: Government... ...WITH FULL SCOPE POLY REQUIRED TO BE... ...to complex Government mission and acquisition efforts... ...system lifecycle Develop or support the development... ...Apply critical thinking to analyze programs...
- ...TENICA is looking to hire a software systems engineer with a TS/SCI CI poly. Location: Springfield, VA 50% Telework • Experience developing C++ , Python and CUDA kernels extensions for custom network components and evaluation metrics • Experience creating custom...Remote work
- Stech Technology UK Limited seeks Linux developers to create and maintain system-level software for Linux environments. The role involves cross-platform work across various architectures in support of dynamic projects. The team requires strong C/C++ and Python skills,...
- ...Catalyst, and In-Q-Tel. Mission | On Site | Full Time | Active TS/SCI with Full Scope... ...performance of Twenty's mission-critical platform running in a... ...ownership and customer-facing engineering: you'll define how we... ...in making complex systems provably reliable, this...Full timeContract workRemote workFlexible hours
- DescriptionSenior Systems Engineer (Hybrid) - TS/SCI Xcelerate Solutions has an exciting... ...Engineer, to play a critical role with design, engineering... ...program as well as DIA-OSIC’s mission to centralize and... ...development teams to identify and develop high-value integrations...Contract workFor contractorsRemote workFlexible hours
$89.6k - $204k
...Lead (Senior to SME) TS/SCI with Poly REQUIRED Position Description... ...the national security mission through cutting edge... ..., high-stakes system modernization, and automated... ...: Mentor junior engineers, coordinate cross-functional... ...creates value. You’ll develop innovative solutions...Work at officeLocal area- ...Description Job Description Systems Engineer ???? Bethesda, MD | McLean,... ...Upon Award Join a mission that matters. We are seeking... ...Systems Engineer to support critical government and intelligence... ...activities. REQUIREMENTS: TS/SCI clearance with polygraph required...Full time
$142.79k - $170.2k
...Top Secret/SCI Clearance Level... ...Skills: Computer Systems Engineering, Enterprise Systems... ...work depends on TS/SCI level cleared... ...the program by developing artifacts, architectural... ...interfaces with mission application... ...personal accident, critical illness and...Temporary workImmediate startRemote workWorldwideFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Systems Engineer/Developer (TS/SCI w/ Poly) - Mission Critical. Be the first to apply!
- distributed systems engineer McLean, VA
- unix linux systems engineer McLean, VA
- digital communications systems engineer McLean, VA
- space systems engineer McLean, VA
- sr systems engineer McLean, VA
- system engineer contract McLean, VA
- senior linux systems engineer McLean, VA
- mission system engineer McLean, VA
- operations support system engineer McLean, VA
- healthcare systems engineer McLean, VA




