Hardening jobs in Adelphi, MD

Suitland-Silver Hill, Maryland

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Today

Job ID: 2617860 Location: Suitland, MD, US Date Posted: 2026-10-13 Category: Information Technology Subcategory: Database Admin Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: TS.SCI_wPoly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description ?Varen, an SAIC company is seeking an experienced Database Administrator to join our team. This position in located in Suitland, MD and requires an active TS/SCI with polygraph to

Full-time

USD 160,001.00 - 200,000.00 per year

Avaya Cybersecurity / Vulnerability Assurance Specialist

Hybrid in Bethesda, Maryland

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Today

3Core Systems, Inc is an SAP and Success Factors Partner with employees located across the United States. Our organization is dedicated to customer and employee satisfaction. We provide High Quality, Cost efficient and Competitive Solutions and Resources. 3Core Systems is looking for Avaya Cybersecurity / Vulnerability Assurance Specialist for one of our clients in Springfield, VA, Bethesda, MD, or Colorado Springs, CO (Remote & Bi-weekly travel required) with experience in Avaya Aura ecosystem,

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Contract

Depends on Experience

DNS SME

Hybrid in Fort Meade, Maryland

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Today

Job Title: Senior Network Engineer / DNS SME Location: Fort Meade, MD or Columbus, OH | Hybrid/Flexible Onsite | will consider candidates in other locations as well to work more remotely Employment Type: Contract-to-Hire Clearance: Must be eligible to obtain the required U.S. government security clearance; active clearance preferred. About the Role We are seeking a Senior Network Engineer with deep DNS expertise to help lead architecture, technical direction, and engineering standards for a mi

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Contract

$250000

Sr DevSecOps Engineer

Hybrid in Fort Meade, Maryland

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21d ago

DevSecOps Generalist Clearance: Secret Clearance or Higher Location: Ft Meade, Hybrid (2days a week on-site) Position Type: 6 months contract to hire Compensation Range: $75/hr. W2 Benefits Available Conversion Salary: Up to $145K annually, plus benefits Company Overview: System One IT is staffing a direct hire DevSecOps Generalist role for a leading innovator in the technology sector, specializing in the development and implementation of advanced virtual solutions. The companys mission is to

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Contract

$145000

Security Engineer

Laurel, Maryland

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8d ago

Job Title: Security Engineer Location:On-site 4 days/week in Herndon or remote options Type: Contract Compensation: Work Model: 1099; 1 year, up to 5 years possible Hours: 40 Security Clearance: Public Trust Tier 2 / MBI Monitor systems for abnormal activity. Analyze alerts, distinguish threats from false positives, categorize incidents by risk. - Lead incident response: containment, eradication, recovery, post-incident analysis, documenting steps. Optimize detection capabilities: refine alert

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Contract

Depends on Experience

(Cyber) Incident Management Analyst - 1st Shift

Arlington, Virginia

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Today

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Full-time

USD 77,000.00 - 163,000.00 per year

(Cyber) Incident Management Analyst - Weekend Day Shift

Arlington, Virginia

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Today

Full-time

USD 77,000.00 - 163,000.00 per year

(Cyber) Incident Management Analyst - Hybrid

Arlington, Virginia

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Today

Full-time

USD 77,000.00 - 163,000.00 per year

Senior Linux/Unix Systems Engineer

Hybrid in Washington, District of Columbia

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Today

Job Title: Senior Linux/Unix Systems Engineer Location: Washington, District Of Columbia Type: Contract Compensation: $60-70/hr W2 Work Model: Hybrid (onsite at least 2 times per week) Hours: Monday through Friday, 8:00 a.m. to 5:00 p.m. EST, with occasional overtime, weekend work, or after-hours response to critical outages and scheduled maintenance windows. Security Clearance: able to obtain a Public Trust Clearance Responsibilities Own engineering and architecture decisions for the RHEL and O

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Contract

$61.5

Application Engineer IV - Systems Focus

Fort Meade, Maryland

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Today

Job Description SALARY RANGE $190,000 - $247,000/year. DUTIES As a successful candidate for the Application Engineer IV role, you will apply system administration and systems engineering principles to support the security, integrity, and operational health of enterprise systems. In this role, you will lead system lockdown and cybersecurity hardening efforts while collaborating with cross-functional groups across the organization to identify and mitigate compliance issues. You will also evaluat

Full-time

USD 190,000.00 - 247,000.00 per year

(Cyber) Incident Management Analyst - 2nd Shift

Arlington, Virginia

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Today

Full-time

USD 99,000.00 - 206,000.00 per year

(Cyber) Incident Management Analyst - 3rd Shift

Arlington, Virginia

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Today

Full-time

USD 99,000.00 - 206,000.00 per year

System Engineer 3

Laurel, Maryland

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Today

Strong and deep Linux & Unix System Engineering skills in both physical and virtual server environments supporting infrastructure management, including managing kernels; installing and maintaining operating systems, configuring hardware/software utilizing monitoring techniques, troubleshooting, and sustaining the operational health of the infrastructure. Supports RHEL7+, Windows 2012+, and VMWare ESXi servers in a virtual enclave environment. Supports Active Directory with Centrify integration

Full-time

Principal Systems Administrator

McLean, Virginia

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Today

Leidos has a new and exciting opportunity for a Principal Systems Administrator in our Intel Sector's (IS) Solutions Analysis Business Area (ASBA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, F

Full-time

USD 116,350.00 - 210,325.00 per year

Azure / Kubernetes Engineer

Fort Meade, Maryland

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Today

Overview Integral Federal is seeking an Azure / Kubernetes Engineer to engineer, operate, secure, troubleshoot, and optimize classified cloud and container environments supporting JPES/JCRM. Responsibilities Operate Azure cloud environments.Administer Kubernetes clusters.Manage containers, deployments, networking, ingress, storage, and secrets.Support platform scaling and resilience.Troubleshoot application/platform issues.Implement infrastructure automation.Support monitoring and observabili

Full-time

USD 145,000.00 - 175,000.00 per year

Senior Infrastructure Engineer

Arlington, Virginia

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Today

About Us: Quartermaster builds secure, mission-critical systems where reliability, observability, and security are non-negotiable. We are hiring a Senior Internal Infrastructure Engineer to help design and operate internal platform infrastructure across AWS and Azure. You will partner with engineering and security to improve GitOps delivery, infrastructure as code, Kubernetes operations, observability, edge networking, and support for IoT, streaming, and ML workloads in remote sensor systems.

Full-time

Journeyman System/Network Engineer (TS/SCI with Polygraph)

Annapolis, Maryland

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Today

Yellow Duck Technologies is seeking a cleared Journeyman System/Network Engineer to support the deployment, configuration, and maintenance of infrastructure required for the unified solution. This position works with Kubernetes environments, networking configurations, and Government platform services to ensure reliable system operation across all deployment environments. Responsibilities: Support Kubernetes cluster configuration and management.Assist with network configuration and troubleshooti

Full-time

Senior Cybersecurity Analyst

Arlington, Virginia

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Today

Technomics is a growing employee-owned, decision analytics company that specializes in cost and economic analysis to facilitate better decisions faster . We enable a wide range of clients across the Federal government, from senior level policy makers to program managers, to choose smartly, buy effectively and operate efficiently . We deliver practical, credible and defensible results offering actionable insights by applying data-driven and analytics-based approaches in combination with multid

Full-time

USD 105,000.00 - 200,000.00 per year

Cybersecurity Analyst/Engineer

Arlington, Virginia

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Today

Overview Technomics is a growing employee-owned, decision analytics company that specializes in cost and economic analysis to facilitate better decisions faster . We enable a wide range of clients across the Federal government, from senior level policy makers to program managers, to choose smartly, buy effectively and operate efficiently . We deliver practical, credible and defensible results offering actionable insights by applying data-driven and analytics-based approaches in combination wi

Full-time

USD 105,000.00 - 200,000.00 per year

Systems Administrator

Chantilly, Virginia

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Today

Position Overview Razor 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. Location Chantilly, VA 20151 Clearance Requirements ctive TS/SCI clearance with a polygraph required. Responsibilities Perform Linux server maintenance, patching, configuration management, and system hardening. Design, implement, and ma

Full-time

USD 145,000.00 - 180,000.00 per year

Hardening jobs in Adelphi, MD, USA