System Engineer III (Linux/Windows)
Jobleads-US
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.
- ...ProSync Technology Group, LLC seeks a System Engineer to maintain secure, compliant enterprise infrastructure across Windows and Linux environments. The role involves hands-on administration, automation, and collaboration with users and customers to resolve issues in...Windows
- ...to our clients. Equipped with elite engineering and dynamic innovation, we empower... ...2 Contract or FTE JOB SUMMARY: The System Administrator III provides advanced system administration... ..., configure, and maintain Windows and/or Linux servers in production, staging, and...WindowsContract workLive inWork at officeLocal areaFlexible hours
$90.3k - $189.6k
Job Title: Systems Engineer III Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity Apply interdisciplinary engineering...SuggestedFull timeContract workWork experience placementLocal areaFlexible hours- Reflexive Concepts is seeking a skilled Systems Engineer III to join our growing team! We are seeking a senior systems engineer to serve as an Agile Scrum Master, own end-to-end development environments, and lead system trade analyses and design alternatives that optimize...Suggested
$110.5k - $167.9k
Systems Engineer III Description Who We Are We are Textron Systems, best known for innovative defense technologies and services. We make things that fly, hover, zoom and launch. Things that move people. Protect soldiers. Power industries. We serve customers in industries...SuggestedFull timeWork at officeLocal areaFlexible hoursShift workDay shift- ...Summary Base-2 Solutions is seeking a highly skilled Systems Engineer to join our innovative team. Our Systems Engineers are... ...Experience with operating systems including Linux (RHEL, CentOS, Ubuntu), Windows Server, Unix, and macOS. Experience with virtualization...WindowsHourly payContract workTemporary workImmediate startFlexible hoursShift work
- ...include Software Development, Engineering & IT, Data Science, Cyber... ...globe. We are looking for a Systems Engineer to join us in Annapolis... ...leadership. Responsibilities Strong Linux skills/experience Experience... ...Experience Nifi Centrify Windows Active Directory Arista...Windows
$182k - $233k
...uncover and understand information within SIGINT and cybersecurity systems to support the exploitation of digital networks. You will... ...with XKS, DX, and other internal tradecraft Knowledge of Linux and Windows operating systems architecture Ability to work under pressure...WindowsImmediate startVisa sponsorship$70k - $90k
...Junction, Maryland, United States Join Our Client's Team as a System Engineer! Are you ready to dive into the world of complex networks... ...a related field. Familiarity with operating systems like Linux and Windows. Understanding of networking protocols and technologies (TCP...Windows- ...Booz Allen Hamilton is seeking a Systems Engineer to design, test, and deploy architectures including VMware ESXi, Windows domains, and Linux servers, with a focus on security and risk management. You will install, configure, and troubleshoot applications on Windows and...Windows
$99k - $225k
...including VMWare ESXi infrastructure, Windows domains, and Linux servers. Develop and design... ...documentation and conduct technical information system security testing in support of the... ...days from the Posting Date. Systems Engineer The Opportunity Design, test,...WindowsFull timeContract workPart timeLocal areaRemote work$140k - $160k
Everforth ECS is seeking a Systems Engineer to work at our Ft. Meade, MD office. Everforth ECS is seeking a Systems Engineer to support... ..., troubleshooting, and deploying solutions in Windows and Linux environment systems/applications. Experience and proficiency...WindowsWork at office$100k - $120k
...FLSA: Exempt The American Nurses Enterprise (ANE) is seeking a Systems Engineer to help ensure the security, reliability, and performance of... ...365, Entra, Active Directory, Intune 3+ years supporting Windows, macOS, endpoint management, patching3+ years supporting Windows...WindowsWork experience placementWork at officeLocal areaFlexible hours- Summary: The Linux Administrator is responsible for all aspects of systems administration, including servers, applications, workstations, and systems engineering support for Red Hat Enterprise Linux (RHEL)... ...primarily on Linux (with some Windows support), enforce security...WindowsFor contractorsWeekend work1 day per week
$135k - $155k
...Eligible? No What You’ll Do: As the Senior Linux System Administrator, you will be responsible... ...the MS Certified Solutions Associate (Windows Server 2016 or later), Red Hat... ..., GFACT. A master's degree or Ph.D. in Engineering, Cybersecurity, Data Science, Information...WindowsRemote work- ...career and customer-oriented System Administrator to join our team... .... Provides Tier III engineering support to a globally distributed... ...multiple HW end points with VDI, Windows, Unix, and Cloud environments... ...Experience with Windows and Linux systems Security + Certification...WindowsFlexible hours
$100k - $120k
...climate technologies company engineered for sustainability. We create... ...The Field Service Specialist III is a senior technical expert... ...expert on refrigeration, CO₂ systems, HVAC controls, and complex system... ..., Internet software, E-mail, Windows. + Ability to manage...WindowsFull timeTemporary workFor contractorsStart working todayLocal areaRemote workFlexible hoursNight shift$52.88 - $62.5 per hour
...Job Title: Systems Engineer Job Description This Systems Engineer role focuses on the... ...industrial facilities. Familiarity with Windows operating systems in engineering or... ...operational environments. Familiarity with Linux operating systems and their use in...WindowsContract workTemporary work$170k - $250k
Job Description The System Administrator III is a senior technical contributor responsible for designing, implementing, securing, and maintaining... ...) and related storage solutions (SAN/NAS). Administer Windows and/or Linux server environments, including patching, hardening, and...WindowsPermanent employmentContract workWork experience placementLocal area- ...Job Description Job Description Jr. Systems Engineer Overview: We are seeking a junior level systems engineer... .../ Bonus Qualifications: Working knowledge of Linux (Ubuntu, Red Hat, Alpine/Devin) and Windows Knowledge of Access control, Intrusion...Windows
$110k - $130k
...are seeking an experienced Classified Systems Administrator to support, maintain, and... ...technical lead overseeing a mixed Linux and Microsoft Windows environment, with a heavy focus on air... ...Active DoD 8570/8140 IAT Level II or III baseline certification (CompTIA Security+...WindowsFull timeTemporary workWork at officeMonday to FridayFlexible hoursShift work- ...Senior System AdministratorBe a member of a system administration team responsible for the... ..., configuration and maintenance of Linux/UNIX-based server systems and software. Be... ...Sun Solaris, Linux RedHat/Ubuntu, and MS Windows. Schedule and perform software installations...Windows
- ...Junction, MD LOCATION Annapolis Junction, MD 20701 Network Engineer / Systems Administrator (SA) LOCATION Annapolis Junction, MD 20701... .../IP, DNS, DHCP) Knowledge of server administration (e.g., Linux, Windows) Expertise in configuring and managing firewalls Familiarity...WindowsTemporary workFor contractorsImmediate startFlexible hours
- ...Zohorecruit is hiring a Mid/Sr System Administrator in Annapolis, MD to support a distributed network across air-gapped enclaves... ...emphasizes security compliance, patching, and incident response for Windows and Linux systems. You will manage Active Directory, virtualization...Windows
- ...of this position. 10+ years of IT experience, including Windows and Linux Network Administration experience + a BS (or 15+ years... ...spanning five key disciplines: Network Management Information Systems Security Engineering Requirements: ACTIVE TS/SCI with full scope poly...Windows
$135k - $216k
ResponsibilitiesManages team that provides technical assistance to computer system and network users. May also have oversight for a data center.... ...Storage (NAS) clusters, *NIX operating systems (Solaris, Linux), Windows Servers, and MacOS clients.Certification: DoD 8570.01-Manual,...WindowsContract workShift work$91k - $140k
...is seeking an experienced Information Systems Security Engineer (ISSE) to support a federal customer... ...auditing. Engineer and maintain secure Windows and Linux environments, cloud infrastructure,... ...and current DoD 8570.1-M IAT Level III certification (SecurityX/CASP+, CISSP...WindowsLocal area- ...Erias Ventures, LLC is seeking a Senior Software Engineer to design and implement secure access controls for HPC resources, using Linux, Bash and Python, in a fast-growing environment near Annapolis Junction, MD. You will work on IAM with Keycloak, RBAC/ABAC, and secret...
$130k - $160k
...System Administrator 1Amentum is seeking a System Administrator 1 to provide Tier 1 (Help... ...process.Configures and manages UNIX and Windows operating systems and installs/loads operating... ...):Needs a good understand of Windows and Linux as an end userClearance Required: TS/SCI...WindowsHourly payContract work- ...Sparksoft!ROLE & RESPONSIBILITIES: The Software Engineer III will be responsible for the design,... ...SQS.Experience with the version control systems (GitHub) and continuous integration/... ...Experience with SQL, Python, Bash scripting, Linux, AWS services (Amazon MQ, SQS, S3, EC2,...Work at officeImmediate startFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to System Engineer III (Linux/Windows). Be the first to apply!
- senior linux systems engineer Annapolis, MD
- system engineer contract Annapolis, MD
- senior staff systems engineer Annapolis, MD
- operations support system engineer Annapolis, MD
- advanced systems engineer Annapolis, MD
- software system engineer Annapolis, MD
- space systems engineer Annapolis, MD
- system engineer remote Annapolis, MD
- distributed systems engineer Annapolis, MD
- healthcare systems engineer Annapolis, MD



