3,119 Results for

National Security Jobs in Crystal, VA

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Information Systems Security Officer II (ISSO) TAP Engineering

Annapolis Junction, MD

Full time

TAP Engineering is seeking an Information Systems Security Officer (ISSO) to help deliver enhanced HPC capabilities across multi-vendor HPC servers, HPC clusters, and specialized processing environments. You'll have the opportunity to grow your security skills and technical expertise alongside highly skilled engineers, collaborate with exceptional teammates, and directly contribute to missions that strengthen our nation's security.

30+ days ago

Information Systems Security Officer (ISSO) CTC Group

Fort Meade, MD

In this role, you will help maintain a strong operational security posture, evaluate security risks and solutions, develop critical IA documentation, and work closely with ISSMs, technical teams, and Government customers to protect mission systems throughout their lifecycle. Experience is to include at least three (3) of the following areas: knowledge of current security tools, hardware/software security implementation; communication protocols; and encryption techniques/tools.

30+ days ago

Security Escort VxL

Washington, DC

Quick Apply

At least 2 years of qualifying experience: access control, physical security monitoring, escorting, static guard, law enforcement, or military service (combat arms, military police, or physical security duties), or related security oversight in a controlled government or defense facility. About the role: Escort visitors who are not cleared through a secure government facility, keeping them within authorized areas and making sure security procedures are followed.

10 days ago

Information Systems Security Officer E-Infosol LLC

Washington, DC

Possess at least one of the following certifications: Certified Information Systems Security Professional (CISSP), Global Information Security Professional (GISP), or the CompTIA Advanced Security Practitioner (CASP) or other certifications exemplifying skill sets such as those described in DoD Instruction 8570.1 Our expertise in the latest technologies combined with our understanding of infrastructure needs and security requirements provides the best combination for achieving innovative and secure environments for Government Agencies and Private Sector.

20 days ago

Cyber Security Operations Specialist Tier 3 D2 Technical Services

Springfield, Virginia

$110,000–$115,000 / year

Advanced Cybersecurity Skills: Expertise in malware analysis, digital forensics, and response to cybersecurity incidents, including host, server, and network data analysis. As a CSOC Tier 3 Cybersecurity Incident Responder , you will be at the forefront of cybersecurity operations, providing advanced support for containment, eradication, and recovery during incidents.

30+ days ago

Cyber Security Analyst CACI

Chantilly, Virginia

$113,200–$237,800 / year

Job Title: Cyber Security AnalystJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * * The Opportunity :CACI is seeking a Security Analyst to conduct technical analysis to drive operations, including but not limited to: technical development, work with various partners, network analysis to understand target networks, developing network maps, profiling network security posture and technical overwatch. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.

30+ days ago

Security Specialist Chenega Corporation

Washington, DC

Support several SCIFs to include processing administrative documentation, implementing physical security requirements and coordination of large meetings held within SCIFs. Ideal for seasoned security professionals with experience in SCI administration, foreign travel processing, indoctrinations, and special access program support.

17 days ago

Information Systems Security Engineer Excelity

Herndon, Virginia

Job Responsibilities : Responsible for cybersecurity elements of Engineering and Operations network solutions and strategic adherence to all aspects of the Information Assurance (IA) program as stipulated by various U.S. Government requirements including but not limited to): Director of Central Intelligence Directives (DCID), IC Directive (ICD) 503 and associated NIST publications. Excelity is seeking an ISSE for a project in charge of providing comprehensive engineering, operations support services, and tech refresh services worldwide for the Enterprise IT Infrastructure (EII) to advance DoD Intelligence Information Systems (DoDIIS) Enterprise capabilities and functions.

30+ days ago

Senior Information Systems Security Manager (ISSM) Virtualitics Inc

Washington, DC

Remote

Reciprocity at Scale: Build the playbook, artifacts, and evidence pipeline that cut time-to-ATO for every new customer, and act as the front-line technical contact for sponsor AOs, 3PAOs, and customer security reviewers. Our team is looking for a Senior ISSM to own it - running federal authorizations end to end as our named ISSM of record, so that each new customer ATO becomes a package we pull and tailor rather than a project we rebuild from scratch.

30+ days ago

Security and Compliance Engineer | Top Secret clearance w/SCI eligibility AMERICAN SYSTEMS

Arlington, Virginia

Full time

In this role, you’ll help Government and mission teams securely integrate data, applications, partners, and internal capabilities across cloud, on-premises, and hybrid environments , including classified and controlled information systems . Coordinate secure implementation with cross-domain, network, cloud, software, data, and operations teams for CDS, diode, RTB-based CDS, API, broker, streaming, and secure-transfer patterns.

8 days ago

Senior Specialist Field Engineer, Federal Security CoreWeave

Washington, D.C.

$165,000–$220,000 / year

Translate federal security and compliance requirements collaboratively with our federal compliance team; FedRAMP Moderate/High, FISMA, NIST SP 800-53 and 800-171, DoD Cloud Computing SRG Impact Levels (IL4/IL5/IL6), CMMC, and DISA STIGs into concrete Kubernetes and GPU infrastructure architecture and controls . To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency.

3 days ago

Cyber Security Analyst Military, Veterans and Diverse Job Seekers

Stafford, Virginia

Job Summary/Purpose: We are seeking a Cyber Security Analyst III : to support the Marine Corps vision, strategy, mission, and goals within Program Manager Applications (PM APPS) to deliver applications efficiently and effectively to the Warfighter and leverage new technologies. Supports the project with subject matter expertise of Security Technical Implementation Guides (STIGs) and Information Assurance Vulnerability Alerts (IAVAs).

30+ days ago

Security Officer L1 - 4155 NTT Global Data Centers Americas

Ashburn, Virginia

$20.19–$28.85 / hour

We offer local-to-global data center expertise, aligned with our connected platform of AI-ready data centers to create solutions that enable our clients to seamlessly scale their digital businesses, anywhere and anytime. This position plays a critical role in ensuring the protection of personnel and company property, managing access control, monitoring CCTV systems, responding to incidents, and completing written reports.

30+ days ago

Security Assessment & Authorization SA&A Analyst Job 1453 DLH Holdings Corp.

Bethesda, MD

$102,000–$115,000 / year

Our experts in public health, performance evaluation, and health operations solve the complex problems faced by civilian and military customers alike by leveraging advanced tools - including digital transformation, artificial intelligence, data analytics, cloud enablement, modeling, and simulation, and more. The Security Assessment & Authorization Analyst is responsible for developing and maintaining Authority to Operate (ATO) security packages and authorization documentation and working across the Risk Management Framework (RMF) lifecycle for assigned systems.

30+ days ago

Security Specialist II (OPSEC Coordinator) Nationwide IT Services

Arlington, VA

Part time

Nationwide IT Services (NIS) is seeking an experienced Security Specialist II (OPSEC Coordinator) to support a proposal effort for the National Guard Bureau (NGB) Technical and Staff Support Services (TSSS) program. The successful candidate will support the development and maintenance of OPSEC procedures, identify potential security vulnerabilities, and help ensure compliance with Department of Defense (DoD) security policies and Controlled Unclassified Information (CUI) protection requirements.

27 days ago

Cyber Security Architect Grvty

Chantilly, Virginia

$150,000–$250,000 / year

4+ years’ experience in network engineering, systems engineering, or infrastructure operations, with a strong emphasis on enterprise networking concepts (routing, switching, subnets, firewalls, and segmentation). Experience performing deep-dive troubleshooting across complex, multi-tiered systems using network packet captures (e.g., Wireshark, tcpdump) and centralized log analysis.

14 days ago

Senior Information Systems Security Officer (ISSO) Global Dimensions, LLC

Annapolis, MD

Global Dimensions is currently seeking a highly experienced and skilled Senior Information Systems Security Officer (ISSO) to support mission-critical cybersecurity and information assurance requirements for an Intelligence Community (IC) customer in Annapolis Junction, Maryland; Washington, DC; or Reston, Virginia . The ideal candidate will demonstrate advanced technical judgment, strong leadership capabilities, and the ability to collaborate with cybersecurity professionals, system owners, developers, and government stakeholders to ensure systems meet applicable security requirements.

1 day ago

Security Admin 1 - Tysons, VA M.C. Dean, Inc

Tysons , Virginia

Full time

This role offers an excellent opportunity to begin a career within the National Industrial Security Base while gaining the experience and knowledge needed to build a specialized and highly sought-after career path. Headquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration.

30+ days ago

Sr. Cyber Security Engineer NSE-710 ICES

Chantilly, Virginia

Demonstrated senior-level experience engineering Cyber Security solutions using structured and unstructured Big Data, AAA technologies, and Cloud Based technology, to include one or more of the following: Service Orientated Architecture (SOA), On-demand self-service, Broad network access, Resource pooling, Rapid elasticity, Measured Service, Software as a Service (SaaS), Platform as a Service (PaaS), Infrastructure as a Service (IaaS). Demonstrated senior-level experience in government or industry supporting enterprise-level cyber security efforts involving architecting, designing, development, and configuration of cloud and on premise based systems and software.

30+ days ago

Appian Senior Developer Consultant - National Security Groundswell

McLean, Virginia

$115,439–$162,293 / year

Strong communication skills and ability to convey complex concepts in an easy-to-understand manner, both verbally and written; active listening skills to gather key information from internal and external partners; analytical and strategic foresight. Strong organizational skills, attention to detail, ability to work in a high-paced environment, multi-task (prioritize and manage), and work both independently and as a team (team-building skills including courtesy, professionalism, and a “do whatever it takes attitude”).

30+ days ago

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National Security Jobs in Crystal, VA

Information Systems Security Officer II (ISSO) TAP Engineering

Information Systems Security Officer (ISSO) CTC Group

Security Escort VxL

Information Systems Security Officer E-Infosol LLC

Cyber Security Operations Specialist Tier 3 D2 Technical Services

Cyber Security Analyst CACI

Security Specialist Chenega Corporation

Information Systems Security Engineer Excelity

Senior Information Systems Security Manager (ISSM) Virtualitics Inc

Security and Compliance Engineer | Top Secret clearance w/SCI eligibility AMERICAN SYSTEMS

Senior Specialist Field Engineer, Federal Security CoreWeave

Cyber Security Analyst Military, Veterans and Diverse Job Seekers

Security Officer L1 - 4155 NTT Global Data Centers Americas

Security Assessment & Authorization SA&A Analyst Job 1453 DLH Holdings Corp.

Security Specialist II (OPSEC Coordinator) Nationwide IT Services

Cyber Security Architect Grvty

Senior Information Systems Security Officer (ISSO) Global Dimensions, LLC

Security Admin 1 - Tysons, VA M.C. Dean, Inc

Sr. Cyber Security Engineer NSE-710 ICES

Appian Senior Developer Consultant - National Security Groundswell

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