Jobs2Careers logoHome

System Administration Security

Haymarket,VA

2486 System Administration Security jobs in Haymarket,VA

New, Posted 17 hours ago
Apply Directly
IT Network Admin - Full Medical + 30 Days Paid Vacation

U.S. Army Reserves

Frederick, MD 21702

OnsiteUrgently HiringEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Competitive pay with opportunities for bonuses
Monthly salary (based off pay grade and time in service)
Signing bonus - up to $40,000 in cash bonuses for completing training in selected Military Occupational Specialties
Paid Training and credentialing to strengthen your skillsets
Housing and meal allowance for full-time Soldier
30 days paid annual vacation
401(K) type savings plan
Full-coverage medical and dental insurance for Soldiers and immediate family member
Paid tuition opportunities to continue your education
Part-time or full-time
*****THIS POSITION REQUIRES AN ENLISTMENT IN THE U.S. ARMY OR ARMY RESERVE*****
U.S. Citizen
High School Diploma or GED
Meet Tattoo Guidelines
No Major Law Violations
No Medical Concerns
10 weeks of Basic Training
20 weeks of Advanced Individual Training
Recommended
Apply Directly
Infrastructure Systems Administrator

BOOZ, ALLEN & HAMILTON

Chantilly, VA 20152

~ 24 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

$86,800.00 to $198,000.00 (annualized USD)
Health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care
Recognition awards program
10+ years of experience with Linux systems engineering or administration
Experience with RHEL 8 or 9, and shell scripting and automation
Experience with AWS
Experience with virtualization technologies such as VMWare, Hypervisor, or KVM
Experience with containerization, including Docker, Podman, or Kubernetes
Knowledge of system hardening, security best practices, and networking concepts, including IPv4, SSH, and firewalls
TS/SCI clearance with a polygraph
HS diploma or GED
Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance with polygraph is required.
We will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud.
You are expected to be on camera during interviews and assessments.
Ability to obtain a DoD 8140 Certification such as Security+, CASP, CISSP, CCSP, CCNA, or GCSA Certification , within 6 months of start date
Experience with monitoring and cybersecurity tools, including ACAS Security Center , Evaluate STIG, SCAP, STIG Viewer, or Nessus Scanner
Experience with CI / CD pipelines and DevOps practices
Experience with threat intelligence platforms and incident response frameworks
Knowledge of changes in RHEL 10
Red Hat Certified Engineer ( RHCE ) or equivalent Certification
New, Posted 17 hours ago
Apply Directly
IT Network Admin - Full Medical + 30 Days Paid Vacation

U.S. Army Reserves

Washington, DC 20011

~ 43 min OnsiteUrgently HiringEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Competitive pay with opportunities for bonuses
Monthly salary (based off pay grade and time in service)
Signing bonus - up to $40,000 in cash bonuses for completing training in selected Military Occupational Specialties
Paid Training and credentialing to strengthen your skillsets
Housing and meal allowance for full-time Soldier
30 days paid annual vacation
401(K) type savings plan
Full-coverage medical and dental insurance for Soldiers and immediate family member
Paid tuition opportunities to continue your education
Part-time or full-time
*****THIS POSITION REQUIRES AN ENLISTMENT IN THE U.S. ARMY OR ARMY RESERVE*****
U.S. Citizen
High School Diploma or GED
Meet Tattoo Guidelines
No Major Law Violations
No Medical Concerns
10 weeks of Basic Training
20 weeks of Advanced Individual Training
Apply Directly
Information Systems Security Engineer (ISSE)

BAE Systems

Sterling, VA 20166

~ 37 min OnsiteFlexible ScheduleHealth InsurancePaid Time OffRetirement Benefit

Full-Time Salary Range: $130355 - $221603
Monetary or non-monetary recognition awards
Other incentives may be available based on position level and/or job specifics.
Health, dental, and vision insurance
Health savings accounts
A 401(k) savings plan
Disability coverage
Life and accident insurance
An employee assistance program
A legal plan
Other perks including discounts on things like home, auto, and pet insurance
Paid time off
Paid holidays
Paid parental, military, bereavement, and any applicable federal and state sick leave
Employees may participate in the company recognition program
Full-Time
Minimum of Bachelor's Degree plus 7 years relevant experience
5 years Information Assurance / Information System Security experience
Possess a DoD 8140 Cyber Workforce IAT Level II or IAM Level 1 certification
Understanding of the NIST 800-171 Risk Management Framework
Experience in administration of mixed Windows and Linux environments
Experience using vulnerability scanning tools, such as Nessus
Knowledge of STIG compliance and vulnerability management
Knowledge of the complex environment involving shared networks and multiple security enclaves
Knowledge of engineering for Cyber engineering and integration services including security, authentication, identity management, authorization, and access control engineering
Over 5 years of experience working on Intelligence Community enterprise infrastructure and engineering programs
Knowledge of Cloud security controls and implementation
AWS Certified Security Specialty
CISSP
Experience with implementation or administration of AWS Cloud Security services
Experience using Security Information and Event Management (SIEM) tools, such as Splunk
Experience using Risk Management Framework Workflow Management Tool, such as ServiceNow
Experience with: * Security Control Testing * Vulnerability Analysis * Critical Incident Response
New, Posted 1 day ago
Recommended
Apply Directly
System Administrator 2

Cypress HCM

Manassas, VA 20108

Apply Directly
Senior Systems Administrator Engineer (Government)

At&t

Chantilly, VA 20152

$98,100-$220,000/yr
~ 24 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Earns between $98,100 - $220,000 yearly
Medical/Dental/Vision coverage
401(k) plan
Tuition reimbursement program
Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays)
Paid Parental Leave
Paid Caregiver Leave
Additional sick leave beyond what state and local law require may be available but is unprotected • Adoption Reimbursement
Disability Benefits (short term and long term)
Life and Accidental Death Insurance
Supplemental benefit programs: critical illness/accident hospital indemnity/group legal
Employee Assistance Programs (EAP)
Extensive employee wellness programs
Employee discounts up to 50% off on eligible AT&T; mobility plans and accessories, AT&T; internet (and fiber where available) and AT&T; wireline phone
Onsite 5 days per week
A minimum of 5 days per week
40
Regular
Bachelor's degree and minimum 5 years of relevant experience in Security operations of systems supporting: Virtualization, Windows and Linux Computing solution engineering and architecture solutions
Experience with on-premise, cloud and hybrid-cloud based deployments.
US citizenship is required.
Active federal security clearance.
Top Secret/SCI with polygraph.
Active Cleared Individual clearance supporting the overall business up to TS/SCI with polygraph.
CISSP, virtual computing certifications, (DoDD 8570/ DoDD 8140).
Experience with ITSM and/or ServiceNow.
Comparable VMware certifications, RHCE, MS Certifications, Security Certifications IAT/IAM levels 1-3.
Working knowledge of common operating systems (Windows, Linux, etc.) and basic endpoint security principles.
Extensive experience in security operations and systems listed in the posting.
New, Posted 1 day ago
Recommended
Apply Directly
Linux System Administrator

London Approach

Springfield, VA 22161

$160,000/yr
New, Posted 2 hours ago
Recommended
Apply Directly
Mobile Device Systems Administrator

GovCIO LLC

Quantico, VA 22134

$140,000/yr
New, Posted 1 day ago
Apply Directly
Linux System Security Engineer

The Midtown Group

Leesburg, VA 20175

Apply Directly
Assistant Operations Manager (IAD)

CLEAR

Sterling, VA 20166

~ 37 min OnsiteUrgently Hiring

Availability to work a non-traditional schedule (i.e. weekends, holidays, early mornings, and/or evenings)
1-2 years of leadership experience in a customer-facing operation (i.e. retail, restaurants, hospitality, rental cars).
Proficiency in using technology daily in your work
Ability to stand/walk for extended periods of time
Ability to follow policies and procedures set forth by CLEAR, airport, state and federal regulations
Availability to work a non-traditional schedule (i.e. weekends, holidays, early mornings, and/or evenings)
Successful completion of CLEAR, airport, and government screening as applicable, and CLEAR background checks, including but not limited to a drug test.
This may also include federal Personnel Security (PerSec) SF-85 screening, depending on your work assignment
Profile builder
Answer questions related to your search and surface your matches.
Browse Jobs
  • Jobs in Top Cities
  • Jobs by State
  • Jobs by Title
  • Jobs by Category
Tools
  • Free Resume Builder
  • Jobs2Careers+ Extension
Company
  • Post a Job
  • About
  • Advice
  • Contact
Jobs2Careers Powered by Talroo© 2026 Jobs2Careers
Logos provided by Logo.dev
© 2026 Jobs2Careers
Privacy PolicyTerms of UseYour Privacy ChoicesCalifornia Consumer Privacy Act (CCPA) Opt-Out Icon
Jobs2Careers Powered by Talroo