Sr. Systems Engineer Security Clearance

Position: 4274 Sr. Systems Engineer with Security Clearance
OVERVIEW:
We are seeking a highly skilled Senior Systems Engineer to join our Cross Domain Engineering Team supporting mission-critical programs within the federal government. The ideal candidate will bring deep expertise in systems design, network infrastructure, and cloud automation-combining hands-on technical proficiency with strategic leadership. This role involves architecting, developing, and maintaining secure, scalable, and highly available systems across multiple environments, including AWS and on-premises platforms, to enable critical data exchange and operational continuity across domains.

GENERAL DUTIES:
* Architect, develop and support a for a highly available resource for mission-critical programs composed of numerous AWS services and on-premises servers across multiple locations.

* Automation and Cloud Integration:
Automate the creation and management of AWS resources using AWS Cloud Formation, AWS Lambda, Git Lab, BASH, and Python scripting.

* Infrastructure Lifecycle Automation:
Design and implement an automated, hands-free monthly server rebuild and switchover process leveraging Cloud Formation, Lambda, and Event Bridge.

* Linux Automation and Monitoring:
Develop and maintain a comprehensive system of scripts and processes to automate configuration, maintenance, and monitoring of UNIX systems.

* Maintain network hardware and server infrastructure, including analysis, configuration, installation, and testing of new hardware and software.

* Support daily network operations, evaluating utilization, monitoring response times, and detecting and resolving operational problems.

* Troubleshoot issues at both the physical and logical levels of the network, using diagnostic tools and communication protocol analysis.

* Participate in planning, design, technical reviews, and implementation of network and infrastructure projects supporting voice and data communications.

* Maintain and enhance network infrastructure standards, including TCP/IP communication protocols, and ensure adherence to industry and security best practices.

* Exhibit proficiency with virtualization technologies (VMware, AWS, etc.) and network administration, ensuring high system availability and scalability.

* Provide technical consultation, mentorship, and training to IT personnel designated by the government.

* Diagnose and resolve complex infrastructure and communication problems affecting production systems.

* Manage patching, certification, and accreditation tasks, ensuring compliance with approved baselines and government standards.
* Develop and maintain Standard Operating Procedures (SOPs) and Quick Reference Guides to support continuity and knowledge transfer.

* Serve as a technical advisor for system and database design, development, and procurement, recommending solutions for performance, security, and scalability.

* Set and maintain standards for client/server database architecture, ensuring consistent implementation across enterprise environments.

REQUIRED QUALIFICATIONS:

* Bachelor's degree in Engineering, Computer Science, or related technical discipline.

* 7-9 years of documented experience in Information Systems Engineering, including:

* Hardware and network designs for large-scale enterprise applications such as but not limited to, cloud service providers, network design and implementation, datacenter experience, network/systems administration, domain administration, virtualization platforms, SaaS, PaaS.

* Implementing and maintaining security best practices, creating and maintaining documentation for architecture, configuration and processes.

* Experience establishing and maintaining monitoring and alerting systems for cloud and on premise resources.

* Optimizing on premise and cloud infrastructure for cost efficiency and performance.

* Troubleshooting and resolving issues related to performance and availability.

* Documented and demonstrated experience with troubleshooting and problem solving.

* Experience with software development.

* Experience scripting and programming for automation.

* Experience monitoring large enterprise production applications.

* Experience troubleshooting production applications.

* Experience with performance tuning and fault finding.

* Experience in design consulting, platform management, and capacity planning.

* Documented and demonstrated experience with troubleshooting and problem solving.

* Documented and demonstrated experience as an individual consultant or a team lead.
DESIRED

QUALIFICATIONS:

* Demonstrated experience designing, implementing, or supporting Cross Domain Solutions (CDS) within secure, multi-network environments.

* Cloud certification

* Expertise with Python, Bash, Power Shell, or similar scripting languages for infrastructure management.

* Proficiency with AWS Cloud Formation, Lambda, Event Bridge, Git Lab, and related automation pipelines.

* Familiarity with Oracle Super Cluster, Solaris, and RHEL systems administration.

* Experience in platform management, capacity planning, and performance tuning…