System Administrator 3 - Chantilly, VA
$104.24k - $143.33kM.C. Dean
Overview About M.C. DeanM.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex infrastructure, and global enterprises. With over 9,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration.Why Join Us?Our people are passionate about engineering innovation that improves lives and drives impactful change. Guided by our core values—agility, expertise, and trust—we foster a collaborative and forward-thinking work environment. At M.C. Dean, we are committed to building the next generation of technical leaders in electrical, engineering, and cybersecurity industries.We are seeking a System Administrator 3 to join our Security and Electronic Systems (SES) business Unit. As part of (SES) Strategic Business Unit you will be part of a dynamic team responsible for design, implementation, operations & maintenance, and cybersecurity for large complex resilient hardware and virtualized infrastructure to ensure implemented solutions meet stakeholder needs, standards, and performance requirements.ResponsibilitiesWhat you’ll do: In this role you will be working as part of a team to monitor, maintain, and test Physical Access Control, CCTV, PSIM and other electronic security systems and support implementation, troubleshooting and maintenance of Information Technology (IT) systems in support of the endpoint devices. The position provides Tier 2 (Escalation) problem identification, diagnosis and resolution of problems and supports the escalation and communication of status to agency management and internal customers.This position requires onsite support at a single work location in the Washington D.C. area. Candidates must be flexible in schedule, have the ability to travel, and be able to communicate professionally with customers and coworkers. Punctuality, attendance, a willingness to learn, and an ability to work well with others are key to success in this role.Main responsibilities include but are not limited to:Manage physical security system support to meet service level agreements.Configure and manage Windows operating systems and install/load operating system software.Perform desktop hardware and operating system set-up, imaging software loading, and antivirus updates.Analyze security system infrastructure performance and recommend improvements.Troubleshoot, maintain integrity and configure components along with implementing operating systems enhancements to improve reliability and performance.Provide detailed analysis and feedback to agency management and internal customers for escalated tickets.Perform IAVA updates and patching to ensure compliance with Information Assurance (IA) standards.Apply Security Technical Implementation Guides (STIGs) to Windows based operating systems (servers and workstations).Implement and maintain sophisticated enterprise Windows Active Directory Architectures.Perform daily operations to include Active Directory management, monitoring and reviewing system logs.Configure and maintain virtual hypervisors to include VMware and Hypervisor.Deploy, configure, and maintain Virtual Desktop Infrastructure (VDI) platforms to include Citrix Xen Desktop.Install, configure, and maintain 3rd party applications.Install, configure and maintain highly available SQL database Engines.Deploy and maintain storage platforms similar to Dell EqualLogic and Dell Powervault.Analyze requirements of future deployments and make recommendations for IT infrastructure including all hardware and software required fulfill those requirements.Perform root cause analysis on significant issues across all tiers of support.Perform preventive maintenance actions including system back-ups, error log reviews, database size analysis, and integrity checks.Develop new system and application implementation plans to include testing procedures and ensuring operational reliability.Stay current with technological developments and make recommendations for ways to take advantage of new and emerging technology.Create technical documentation such as standard operating procedures (SOP) and as builds for both technical and non-technical audiences.Train system users and other system support personnel as needed.Perform all duties with minimal direct supervision.QualificationsClearance/Citizen Type: Applicants selected will be subject to a government security investigation and must meet eligibility requirements, including U.S. Citizenship, for access to classified information; Active Top Secret w/ SCI with the ability to obtain a polygraph is REQUIRED.Key Requirements:Education: Bachelor's Degree and 5+ Years of progressive experience orAssociates Degree and 8+ Years of progressive experience orHS Diploma or Equivalent and 10+ Years of progressive experience Requires system administrator experience in performing triage on system problems, resolving the system problems, analyzing system data to prevent problems, implementing new workstations, and system extensions.Requires 2 + years of experience programming/administrating Physical Access Control Systems.Demonstrated previous experience effectively managing small teams.Demonstrated understanding of Windows patching and vulnerability remediation.Demonstrated advanced knowledge of Windows active directory hierarchy and implementation.Basic knowledge of large-scale networking, VLANS and routing.Requires reliable attendance at customer site during work hours required by customer.Requires the ability to work flexible shifts that include nights, weekends and holidays as needed.Requires minimum of Security + Certification, CASP, or CISSP certification.Demonstrated background working with multidisciplinary teams.Demonstrated time management and organization skills to meet deadlines and quality objectives.Proficient in MS Excel, Word, Visio, and PowerPoint.Preferred Experience:Proficiency with ACAS and HBSS and mitigation strategiesAssessment, mitgation, and closure of network vulnerabilities and vulnerability management eMASSApplying STIGs to servers, databases, applications, and other hardware Security Readiness Review (SRR) Tools (scripts and ACAS)Excellent understanding of the DoD RMF lifecycle and NIST 800-53 controls implementationAwareness of NIST Special Publication 800-82, Guide to Industrial Control Systems (ICS) Security and UFC 4-010-06 Unified Facilities Criteria (UFC) Cybersecurity of FacilityTravel:Up to 10% annual, CONUS and OCONUS locations.What we offer:A collaborative team inspired by the way engineering and innovation enhance customer outcomes, improve lives, and change the world for the better. We are driven by our core values of agility, expertise, and trust.An opportunity to lead and build a business with the support of an industry-leading firm that has been in business for 75 years.Investment in your skills and expertise through a combination of professional and technical training programs, including leadership training and tuition reimbursement.Open and transparent communication with senior leadership as well as local office management.We offer an excellent benefits package including:A competitive salaryMedical, dental, vision, life, and disability insurancePaid time offTuition reimbursement401k Retirement PlanMilitary Reserve pay offsetPaid maternity leaveAbilitiesExposure to computer screens for an extended period of time.Sitting for extended periods of time.Reach by extending hands or arms in any direction.Have finger dexterity in order to manipulate objects with fingers rather than whole hands or arms, for example, using a keyboard.Listen to and understand information and ideas presented through spoken words and sentences.Communicate information and ideas in speaking so others will understand.Read and understand information and ideas presented in writing.Apply general rules to specific problems to produce answers that make sense.Identify and understand the speech of another person.Pay RangeUSD $104,240.00 - USD $143,330.00 /Yr.
$118.57k - $131.54k
...Qualifications Requires a Bachelor’s degree in Systems Engineering, or a related Science,... ...experience, or a Master's degree plus 3 years of job-related experience. Agile experience... ...While on-site, you will be a part of our Chantilly, VA location.#CJ1#LI-KM1 Salary Note...SuggestedWork experience placementFlexible hours$60k - $180k
...Software Development, and Finance & Accounting. M9 Solutions is seeking a System Administrator 3 to work onsite in support of a government contract for a client located in Chantilly, VA . An active TS/SCI clearance is required. Responsibilities Manage...SuggestedFull timeContract workFor subcontractorFlexible hoursNight shift$44.72k - $99.84k
...incredible opportunities to work on revolutionary systems that impact people's lives around the... ...at our Mission Systems Sector in Chantilly, VA The qualified candidate will become part... ...discipline. Have an overall cumulative GPA of 3.0/4.0 or higher (unofficial academic...SuggestedHourly payFull timeSummer workInternshipRelocationShift work$95k - $105k
...System Administrator Level 3 (MSP) Location: Chantilly, VA Schedule: Monday to Friday, 8:00 AM to 5:00 PM Salary: $95,000 to $105,000 MSP Experience: Required While professional experience and qualifications are key for this role, make sure to check you have...SuggestedMonday to Friday$131k - $271.6k
...approval to transfer . The NS2 Senior Cloud Engineer/Systems Administrator candidate will be responsible for leading the development... ...’s complex needs. This position is located onsite in Chantilly, VA. Candidate should be hands-on and has the necessary knowledge...SuggestedPermanent employmentFull timeWorldwideFlexible hours$70k - $80k
...Position: IT Support Specialist Location: Chantilly, VA (onsite) Work Schedule: Monday – Friday (5 Days on Site) Assignment... ...new computers, monitors, and printers. Assist with system administration tasks, including server upgrades, updates, patches, deployments...Full timeWork at officeLocal areaRemote workMonday to FridayFlexible hoursShift work$100k - $120k
...Position Summary Location: Chantilly, VA Salary: $100,000–$120,000 + Bonus + Excellent... ...networks, utilities, stormwater systems, and community development throughout... ...site visits and provide construction administration support as needed. Ensure compliance...Full timeFor contractorsLocal area$85k - $141.6k
...MANTECH seeks a motivated, mission-oriented Intermediate Systems Administrator to join our team in Chantilly, VA . As the Systems Administrator, you will be responsible for providing a full range of Tier 2/3 IT support services and expertise to customer activities...Hourly payContract workTemporary workWork experience placementLocal areaRemote work- ...Location: Chantilly, Virginia Type: Contract Job #3365 Senior Systems Administrator Chantilly, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply... ...field; 5 years with a Master's degree, and 3 years with a PhD Degree Experience...Contract workRemote work
$141.5k - $236k
...Senior Systems Administrator Unlock the secrets of intelligence with MANTECH! Join a dynamic team... ...Administrator to join our team in Chantilly, VA. As a Systems Administrator, Senior... ...for providing a full range of Tier 2/3 IT support services and expertise to...Hourly payContract workTemporary workWork experience placementLocal areaRemote work- ...Job Title: Systems Administrator Location: Chantilly, VA Salary: 100-150k TS/SCI clearance required Responsibilities: Troubleshoot, maintain integrity and configure components along with implementing operating systems enhancements to improve reliability...Permanent employmentContract workWork experience placementWork at office
$193k - $289.6k
...opportunities to work on revolutionary systems that impact people's lives... ...of Systems Engineering 3. This position will be... ...locations in either McClellan, CA or Chantilly, VA.As the SI&DE BEE Engineering... ...success.Oversee general administration for the SI&DE BEE organization...Full timeRelocation packageShift work- ...Job Title: Cyber Systems Administrator - Level 3 Location: Langley AFB, VA Program: DMON Program Employment Type: Full-Time, On-Site Clearance: Active DoD Secret Clearance with ability to obtain TS/SCI and SAP/SAR access Program Overview Air Combat...Full time
- System AdministratorAcclaim Technical Services (ATS), founded in 2000... ...We are actively hiring a System Administrator with TS/SCI w/ Poly to join our team working in Chantilly, VA. The System Administrator will... ...military experience.· At least three (3) years of current experience...Contract workWork experience placement
- ...hiring an Linux and Kubernetes Administrator to support a multi-vendor... ...with a focus on Linux based systems. This position is aligned with... ...division and located in their Chantilly, VA office.The role will include... ...equivalent experience)Minimum of 3-5 years directly related...Work at officeImmediate startRemote workFlexible hours
$104k - $166k
ResponsibilitiesPeraton is seeking a Mid-Level Infrastructure Systems Administrator in our Chantilly, VA office in support of our Department of Defense (DoD)... ...As part of the Infrastructure as a Service (IaaS) Tier 3 team you will support an exciting program which...Contract workWork at officeShift work$87.1k - $157.45k
Leidos is seeking a Linux Systems Engineer to support a mission-critical customer environment in Chantilly, VA. This position is ideal for a hands-on Linux administrator or systems engineer with experience... ...will remain open for at least 3 days with an anticipated close...Full time$98.1k - $220k
...require secure communications and systems. The operational need to add... ..., you will manage systems administration, security operations,... ....Deliver Tier 1 through Tier 3 technical support and collaborate... ...:40Time Type:RegularLocation:Chantilly, VirginiaAT&T and its subsidiaries...Contract workTemporary workWork at officeLocal areaRelocation$131.3k - $237.35k
Leidos is looking for a Systems Administrator with AWS cloud experience in a Windows environment to... ...requisition will remain open for at least 3 days with an anticipated close date of... ...agreement (if any), or other law.SummaryLocation: Chantilly, VAType: Full timeFull timeFor contractorsNight shift- Systems Engineer (Location: Chantilly, VA area) Job Description The Systems Engineer plays a crucial role in the development, integration, and maintenance of complex systems and technologies used in defense and aerospace applications. Job Responsibilities *System Design...
- ...Polygraph LOCATION: Full-time onsite in Chantilly, VA We are seeking a mission‑driven Linux... ..., drive problem resolution for critical systems, and guide engineering efforts that keep... ...through technology. Apply now with our easy 3-minute, mobile-friendly initial...Full timeWork at office
- ...land, sea and cyber domains in the interest of national security. Job Title: Scientist, Systems Engineer - TS/SCI with Poly Job Code: 44341 Job Location: Chantilly, VA Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked,...Odd jobFull time
$130k
...About the job System Administrator LCAT : IT Systems Engineer, Level 2 Required Clearance: Active TS/SCI, with CI Poly.... ...and Family and 401k up to 8% match and more. Location: Chantilly, VA DESCRIPTION Our client has an opening for a System...- ...Intelligence) is looking for an experienced Cleared System Administrator with a Top Secret/SCI clearance to provide on-site support at our Chantilly, Virginia location. DUTIES AND... ...Experience Level: Mid-Level (3-7 years) Workstyle: Onsite Full-Time...Full timePart timeWork experience placementLocal areaRelocation package
- Systems AdministratorE-INFOSOL LLC is seeking a motivated and results-driven Systems Administrator to be a full-time employee in Washington, DC or Chantilly, VA to join our innovative and customer solutions focused team.The Systems Administrator is responsible for provisioning...Full timeContract workTemporary workLocal area
$110.12k - $150.66k
Systems AdministratorAt NS2 Mission, reliable infrastructure is the foundation of mission success. Our team is looking for a Systems Administrator to join us in Chantilly, VA, where you'll be responsible for managing, maintaining, and optimizing enterprise server environments...Remote workFlexible hours- Systems AdministratorRazor is seeking a Systems Administrator to support critical web infrastructure projects in Chantilly, VA. This role will support Linux server environments, production-grade AWS infrastructure, web applications, and relational database systems.Chantilly...
$110k - $210k
Position Summary Odyssey is seeking a Systems Engineer to support the National Reconnaissance... ...(NRO) Systems Engineering Directorate in Chantilly, VA. In this role, you will help shape and... ...a variety of skill leveles; Must have 3+ years of relevant experienceAbility to...Contract workTemporary workWork experience placementLive outWork at officeFlexible hours$110k - $195k
OverviewVTG is looking for an MBSE Systems Engineer in Chantilly VA.What will you do?Develop MBSE-based processes to support corporate systems engineering... ...modeling standardsDo you have what it takes?Level I:BS, 0-3 years experienceBackground / understanding of development...Work experience placement- ...for a Protection Indications and Warning Systems Engineer. Description: Join ICES on a contract... ...Engineer. This position is located in Chantilly, VA. This position requires an active/current... ...with BS/BA or 6 to 8 years with MS/MA or 3 to 5 years with a PhD in a STEM field....Contract workFor contractorsWork at officeFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to System Administrator 3 - Chantilly, VA. Be the first to apply!
- IT infrastructure administrator Chantilly, Loudoun County, VA
- system admin Chantilly, Loudoun County, VA
- enterprise administrator Chantilly, Loudoun County, VA
- application system administrator Chantilly, Loudoun County, VA
- microsoft systems administrator Chantilly, Loudoun County, VA
- server administrator Chantilly, Loudoun County, VA
- systems administrator Chantilly, Loudoun County, VA
- computer systems administrator Chantilly, Loudoun County, VA
- IT administrator Chantilly, Loudoun County, VA
- contract system administrator






