System Engineer III (Linux/Windows)

Prosync; Maryland; On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Quarterly bonuses

Health benefits

401K retirement plan

Continuing education programs

Flexible work options

Job summary

ProSync Technology Group, LLC (ProSync) seeks a System Engineer to maintain Windows and Linux environments, ensure security compliance, and support enterprise infrastructure. You will work on a small team, automate workflows, and interface with users to resolve issues while safeguarding mission-critical systems.

Responsibilities include patch management, network device support (Cisco/Juniper/Arista), containerization with Kubernetes, and Active Directory/LDAP services.

Qualifications

• Bachelor’s degree in an engineering field plus 6 years of system engineering experience (or equivalent).
• Strong system engineering and administration skills.
• Solid security compliance knowledge.
• Experience with Windows and Linux administration.
• Familiarity with Kubernetes/containerization.
• Experience with Active Directory/LDAP/Centrify/Group Policy.
• Top Secret/SCI with Polygraph is required.

Responsibilities

• End-to-end system engineering and administration for Windows and Linux environments supporting mission-critical operations.
• Security compliance management including patching and audit readiness.
• Automation to streamline system administration and compliance tasks.
• Networking device support with Cisco, Juniper, and Arista.
• Containerization and Kubernetes deployments in modernization efforts.
• Administer and troubleshoot Active Directory, LDAP, Centrify, Group Policy, and related services.
• Ensure security protocols and patching are maintained.
• User and customer interaction to resolve issues and gather requirements.
• Escalation of issues to management in a timely manner.

Skills

System Engineering

System Administration

Security Compliance

Networking Devices

Kubernetes/Containerization

Active Directory/LDAP/Centrify/Group |

Windows & Linux Administration

Patch Management

Issue Escalation

User/CustomerCommunication

Education

Bachelor’s degree in Engineering or related field

Associate’s Degree + 10 years experience

Master’s degree in Engineering

PhD in Engineering

Tools

Kubernetes

Active Directory

LDAP

Centrify

Group Policy

Cisco/Juniper/Arista networking

Job description

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,

ProSync is seeking a System Engineer with strong experience in system administration, automation, security compliance, and enterprise infrastructure support. The engineer will work on a small, mission‑focused team responsible for maintaining system integrity, performance, and security across critical client/server environments. This role requires hands‑on administration of Windows and Linux systems, support for networking devices, and familiarity with containerization and Kubernetes. The ideal candidate is a strong communicator who can interact frequently with users and customers, elevate issues appropriately, and ensure systems remain secure, compliant, and operational.

Responsibilities:

• System Engineering & Administration — Provide end‑to‑end system engineering and administration for Windows and Linux environments supporting mission‑critical operations.
• Security Compliance Management — Maintain strict security compliance across systems, including patching, protocol enforcement, configuration validation, and audit readiness.
• Automation & Management — Develop or support automation workflows to streamline system administration, configuration management, and compliance tasks.
• Networking Device Support — Work with Cisco, Juniper, and Arista devices to ensure reliable connectivity, proper configuration, and secure operation.
• Containerization & Kubernetes — Support containerized environments and Kubernetes‑based deployments as part of modernization and operational workflows.
• Directory & Identity Services — Administer and troubleshoot Active Directory, LDAP, Centrify, Group Policy, and related identity and access management services.
• Security Protocols & Patching — Ensure systems adhere to required security protocols, perform regular patching, and maintain secure configurations.
• User & Customer Interaction — Work closely with users and customers to resolve issues, gather requirements, and support mission operations.
• Issue Escalation — Communicate and elevate technical issues to management in a timely and effective manner.

Qualifications:

• A Bachelor’s degree in a Qualified Engineering Field or a related discipline from an accredited college or university plus six (6) years of experience in system engineering (OR) An Associate's Degree, a High School Diploma or GED plus ten (10) years of general system engineering experience (OR) A Master’s degree in a Qualified Engineering Field or a related discipline from an accredited college or university plus four (4) years of systems engineering experience (OR) A PhD in a Qualified Engineering Field or a related discipline from an accredited college or university plus two (2) years of systems engineering experience.
• Strong System Engineering and System Administration.
• Strong knowledge of Security Compliance.
• Strong knowledge of networking devices. (Cisco, Juniper, Arista).
• System Administration skills for Windows/Linux.
• Familiarity with Kubernetes/containerization.
• Experience with Active Directory, LDAP, Centrify, Group Policy, Network Services.
• Strong knowledge of security protocols and patching.
• Communication and escalation of issues to management.
• A Top Secret/SCI with Polygraph is required.

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.

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.

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.