Cleared Systems Administrator
$105k - $125kSTR
STR is hiring a Systems Administrator with an Active Secret or Top Secret clearance . Help power the infrastructure behind cutting-edge defense research.
At STR, our Information Technology team plays a critical role in enabling the research and development that supports our national security mission. The team brings together experts across Enterprise IT, Classified IT, and Cybersecurity to build and maintain the secure, reliable infrastructure that powers our organization. Our Enterprise IT team ensures the performance and availability of the systems that support day-to-day operations, while our Classified IT team manages highly secure environments that protect sensitive government information. Working alongside them, our Cybersecurity team proactively defends our networks and systems against evolving threats. Together, these teams provide the technology foundation that enables STR's engineers and researchers to develop innovative solutions for national defense. The Role: We are seeking a Systems Administrator with an active Secret or Top Secret clearance to support our senior administrators in implementing, deploying, and maintaining Linux (Red Hat, Ubuntu) and Windows operating systems in traditional and virtualized environments across a variety of hardware solutions. If you enjoy solving complex infrastructure challenges, improving system reliability, and working in a mission-driven environment, we'd love to hear from you. Please note: this position is based in Woburn, Massachusetts only (no other sites, no remote). What you will Do:- Professionally support senior administrators, Information System Security Officers (ISSO), management, researchers and others supporting the customers
- Configure and maintain NAS Storage, Networking, Firewall, and Directory Services such as MS Active Directory management and Group Policy administration
- Perform performance monitoring, results analysis and enhancement, as well as process automation using PowerShell scripting and other available technologies
- Provide daily support, systems maintenance, problem resolution, tracing and project support
- Create and maintain installation and configuration Standard Operating Procedures (SOPs)
- Maintain current knowledge of DoD security and technical guidelines and the organization's policies
- Provide support for production and development environments
- After-hours support is required for maintenance and patching when needed
- This position requires an active Secret or Top Secret security clearance, for which U.S. citizenship is needed by U.S. Government
- Linux Administration (Red Hat, Ubuntu)
- Windows OS Administration
- Enterprise Virtualization Tools
- Multi-Factor Authentication
- Public Key Infrastructure
- Web Server
- Active Directory including Group Policy, LDAP backend, and Replication
- Effective utilization of Security Technical Implementation Guidelines (STIGS) and Security Content Automation Protocol (SCAP) Content and Tools
- Host Based Security System (HBSS) implementation and maintenance
- Assured Compliance Assessment Solution (ACAS) support
- Current knowledge of DoD Ports, Protocols, and Services (PPS)
Education: Bachelor's degree + 5 years of experience or Master's degree + 3 years of experience or PhD or equivalent experience. Pay Information
Full-Time Salary Range: $105,000 to $125,000 The salary range listed is based on external market data. Offers are based on factors, such as but not limited to, the candidate's experience, education, training, key skills/critical skills, security clearances, and prevailing market and business conditions.
STR is a growing technology company with locations near Boston, MA, Arlington, VA, near Dayton, OH, Melbourne, FL, and Carlsbad, CA. We specialize in advanced research and development for defense, intelligence, and national security in: cyber; next generation sensors, radar, sonar, communications, and electronic warfare; and artificial intelligence algorithms and analytics to make sense of the complexity that is exploding around us. STR is committed to creating a collaborative learning environment that supports deep technical understanding and recognizes the contributions and achievements of all team members. Our work is challenging, and we go home at night knowing that we pushed the envelope of technology and made the world safer. STR is not just any company. Our people, culture, and attitude along with their unique set of skills, experiences, and perspectives put us on a trajectory to change the world. We can't do it alone, though - we need fellow trailblazers. If you are one, join our team and help to keep our society safe! Visit us at for more info. STR is an equal opportunity employer. We are fully dedicated to hiring the most qualified candidate regardless of race, color, religion, sex (including gender identity, sexual orientation and pregnancy), marital status, national origin, age, veteran status, disability, genetic information or any other characteristic protected by federal, state or local laws. If you need a reasonable accommodation for any portion of the employment process, email us at View email address on click.appcast.io and provide your contact info. Pursuant to applicable federal law and regulations, positions at STR require employees to obtain national security clearances and satisfy the requirements for compliance with export control and other applicable laws.
Vacancy posted 12 hours ago
Similar jobs that could be interesting for youBased on the Cleared Systems Administrator in Woburn, MA vacancy
- ...Senior Systems Administrator Your role at GEI. As a Senior Systems Administrator for GEI you will serve as the technical and subject matter... ...management skills ~ Ability to convey technical concepts in a clear and concise manner to non-technical personnel ~ Strong...SuggestedWork at officeLocal areaRemote workFlexible hours
- ...Systems Administrator We are currently recruiting for a growing Aerospace/Defense contractor who is in search of an experienced 'Systems Administrator' located in Woburn, Massachusetts. Candidate must be a US citizen and currently hold an active Secret Clearance. Linux...SuggestedFor contractorsLocal area
$140k - $165k
...to the success of the company and you can be part of that team. JOB SUMMARY Part of the Global IT team, the Senior System Administrator is an IT expert and professional, responsible for setting up and maintaining IT systems, servers and infrastructure, based in...SuggestedLive inVisa sponsorship$95.7k - $126.7k
...against threats of vandalism, accidental destruction, and sabotage; and safeguards personnel, classified and unclassified information systems, personal identifiable information, property, and other assets from exploitation and recruitment by foreign intelligence agencies....SuggestedCasual workRemote workFlexible hours$65k - $85k
...auditing, financial reporting, office administration, procurement, operations, information technology... ...of public resources. Systems Administrator: Position Overview... ...~ Demonstrated ability to communicate clearly and professionally with end users, leadership...SuggestedFull timeWork at officeLocal areaRemote work- ...Description... Maintains operation of multi-user computer systems, including coordination of infrastructure and cloud... ...for coding, virtualization, and automation of systems. Sets up administrator and service accounts, maintains an active directory of users and...ApprenticeshipLocal area
- ...IT Systems Administrator SoftBank Robotics America is looking for a hands-on IT Systems Administrator to own day-to-day IT operations for... ...software, and networking ~ Proven ability to create and maintain clear technical documentation ~ Experience managing vendor...For contractorsRemote work
$145.2k - $170k
...The Human Health & Performance Systems Group develops human-centered technologies to overcome operational challenges and to enhance... ...technical materials to varied audiences including the ability to clearly present concepts to a wide spectrum of audiences are required....$1,500 per month
...Job Description Job Description Linux Systems Administrator Location: This position is ONSITE . MUST live within 100 miles of Lexington... ...Top Secret clearance. One of the two openings will require clearing to a TS / SCI level. Please ensure you understand this...Full timeInterim roleLocal areaRemote workWork from home2 days per week$204k - $284k
...Principal Radar Systems Engineer Woburn, MA STR is focused on delivering National Defense capabilities by driving mission-focused... ...using tools to create, evaluate, and document solutions and clearly communicate the solution to the team, STR management, and customers...Full timeWork experience placement- ...Engineering environments; translating internal Engineering‑speak into clear concise directions for customers and vice‑versa. The TSE will... ...and flexibility for on‑call rotation BS/MS Degree in Business Administration/Computer Science or equivalent technical certifications Pride...Work at officeRemote workWorldwide
- ...Job Description McBride Consulting has an exciting opportunity for a System Administrator to support the the Air Force Life Cycle Management Center Electronic Systems PEO (AFLCMC/ES). The Electronic Systems System (ESS) Division aka Force Protection Division's...Full timeFor contractorsLocal area
- ...Job Title: Senior System Administrator (US-Based) Location: United States (Remote) Experience: 8-12+ Years Job Summary We are seeking a Senior System Administrator to lead L2/L3 support for business-critical applications, enterprise SaaS platforms, and...Permanent employmentRemote work
$130k
...Senior System Administrator Job Locations US-MA-Hanscom AFB ID 2026-8015 Category Information Technology Type Full Time Biweekly Hours 80 Location : Name Hanscom AFB Min USD $130,000.00/Yr....Full timeContract workTemporary workFor contractorsWork experience placementLive outWork at officeLocal areaWorldwideFlexible hours$100k
...on sustaining, operating, and improving essential government systems and services, with proven operational excellence, and a commitment... ...receipt of authorization to proceed. The Senior Systems Administrator supports IT operations by designing, automating, testing, and...Contract workRemote work- ...Essential Duties and Responsibilities: - Provide senior-level administration and operational support for ServiceNow ITSM and ITOM modules,... ...workflows, integrations, user roles, access controls, and system enhancements within the ServiceNow platform to improve automation...Minimum wageContract workTemporary workWork experience placementRemote work
- ...on a mix of bare‑metal and virtualised systems in our private colocation datacenter. This... ...environment Production‑level administration of VMware vSphere/ESXi environments (vCenter... ...infrastructure diagrams) and ability to communicate clearly to both technical and non‑technical...Full timeWork at officeLocal areaVisa sponsorshipWeekend work
$65.4k - $70.57k
...ensure continuity of IT services supporting mission-critical systems in a highly regulated federal environment. This role leads risk... ...degree in Information Technology, Computer Science, Business Administration, or related field, or equivalent relevant experience. ~4–7...Contract workWork at office- ...Overview: Role: System Administrator Location: Cambridge, MA (Only Local) Duration: 6 months Pharma Lab IT Project Support End user computing (EUC) - System administrator for Lab computers and equipment Lab computers and equipment support experience...Local area
- ...Senior Systems Administrator II Employment Type: Full Time, Senior-level CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and...Full timeContract workFor contractorsWork at officeFlexible hours
- ...Oasis Systems has an exciting opportunity for a System Administrator to provide support and analysis to the Unit Level Intelligence (ULI) program office, which is within the Digital Directorate, and located at Hanscom AFB, MA. LOCATION : Hanscom AFB, MA JOB STATUS...Full timeWork at office
- ...Senior Relativity Sr. Systems Administrator Employment Type: Full Time Department: Legal/IT We are seeking a Senior Relativity Sr. Systems Administrator to join our team! You will handle a variety of projects to support and improve the organization's network systems...Full timeWork at officeFlexible hours
$50 - $58 per hour
...Systems Administrator Senior Job details Posted 22 June 2026 Location Boston, MA Reference 1005701 Job description Job Title: Senior MS Systems Administrator Location: Boston, MA 02210 Pay Rate: $50-58/hr Top 3 required skill...Work at officeWorldwide$100.2k - $120k
...The Active Optical Systems Group develops and fields unique, world-class optical sensor systems across multiple mission areas of national importance. Our Group has a history of successful innovations; we have fielded a high-area coverage rate foliage-penetrating 3D imaging...$144k - $216k
...Principal Systems Engineer Onto Innovation is a leader in process control, combining global scale with an expanded portfolio of leading... ...technologies and design decisions. Evaluate, track, and clearly communicate development maturity and technical readiness level...Permanent employment- ...Senior Systems Administrator Employment Type: Full Time, Senior-level CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and creative...Full timeContract workFor contractorsWork at officeRemote workFlexible hours
$82.3k - $220k
...ideas necessary for true innovation. For more information about Draper, visit Job Description Summary: The Classified Systems Administrator II supports the day-to-day activities of users, performs system maintenance and upkeep of Information Technology systems,...Full timeLocal area- ...remote work Job-Specific Responsibilities: The Center for Biostatistics in AIDS Research (CBAR) is actively recruiting a System Administrator position as part of the Harvard T.H. Chan School of Public Health Infrastructure Team within the Department of Information...Work experience placementRemote workWorldwide
$160k - $195k
...Systems Engineering Manager CoreMap's mission is to improve the lives of people affected by atrial fibrillation. We are developing a... ...establish and report on goals, priorities and timelines. Provide clear and timely communication of system projects status to the...Full timeContract workWork at office$123.6k - $205.85k
...Municipal Light Department Job Position Description Job Title: Systems EngineerReports to: Assistant Director of Engineering and... ...and directions to employees, customers, vendors and peers, in a clear and concise manner. Demonstrates ability to be a team player. Demonstrates...Temporary workLocal area
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Cleared Systems Administrator. Be the first to apply!

