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202 Developer Cyber Security jobs in Warrenton,VA

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Cyber Systems Security Engineer Sr.

Gromelski & Associates

Manassas, VA 20110

Paid Relocation to Manassas, VA

Hybrid~ 28 min

Knowledge of System Security related governance, e.g., Security Technical Implementation Guide (STIG) or Horizontal Protection Guide (HPG).
Proficiency in customer requirements.
Able to obtain and maintain a DoD Secret Level Clearance which means you must be a U.S. Citizen. We will help you obtain it if hired.
Familiarity with DISA STIGs and how they are used to strengthen the system security posture.
Proficiency in Risk Management Framework Assessment & Authorization Package Development.
Information Assurance Technician (IAT) Level II. Certification or higher (e.g. CompTIA Security+ or CISSP).
Proficiency with security concepts, models and methods, e.g., zero trust architecture and maturity model, multi-factor authentication.
Minimum of 7+years of relevant cyber security, systems and/or software engineering experience.
Bachelor's degree in Cybersecurity, Computer Science, Computer Engineering, or related engineering or IT field with 5+ years of relevant experience or Master’s degree and 3+ years of relevant cyber experience.
Ability to communicate and work effectively with internal members and external customers.
9+ years of related experience

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Systems Engineer I - CIS

SEACORP

Manassas, VA 20110

~ 28 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Must be able to obtain and hold a DoD Secret level clearance
Minimum of 2 years of related experience.
As a requirement of employment, all SEACORP employees must hold U.S. Citizenship
Bachelor's Degree in an Engineering discipline required.
Clearance: Secret
Advanced submarine technical training (e.g. Navy "A" or "C" School) can be substituted for a bachelor's degree.

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Senior Security Engineer (Government)

At&t

Chantilly, VA 20152

$98,100-$220,000/yr

~ 34 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Required Clearance: TS/SCI with the ability to obtain/maintain a polygraph. (#ts/sci) (#polygraph)
Must be a US Citizen.
Experience with on-premise, cloud and hybrid-cloud based deployments.
Demonstrated leader with team-oriented interpersonal skills; ability to effectively interface with a broad range of people and roles.
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
No relocation is offered.
Strong written and verbal communication skills.
US citizenship is required; Active federal security clearance.

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Red Team Penetration Tester **

SimVentions, Inc - Glassdoor ✪ 4.6

Warrenton, VA 20187

OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Managing identity and access in Microsoft Entra ID.
SEC560 - Network Penetration testing and Ethical Hacking (GPEN Certification), SEC542 - Web App Penetration Testing and Ethical Hacking (GWAPT Certification), SEC660 - Advance Penetration Testing. Exploit Writing, and Ethical Hacking (GXPN Certification), SEC642 - Advanced Web App Penetration Testing and Ethical Hacking, SEC564 - Red Team Operations and Threat Emulation
Red Team Operations
Experience with Web Services penetration testing (RESTful and SOAP) Web Authentication protocols (e.g. OAuth2, SAML, LDAP)
FirePower, Nexus, IOS, ASA
Linux and Windows
Minimum certification as penetration tester and possess one of the following certificates:
OSD Sponsored Cyber Operation Academy Course (COAC) graduates.
PAN-OS
Entra ID (Azure AD), Active Directory, SSO, MFA, Azure application integration, Identity Federation.
Microsoft Entra ID and Microsoft 365 in a hybrid environment.
Security+, CCNA Security, CySA+, GICSP, SSCP
Five (5) years' experience in software engineering applied to program development
Education: High School Diploma or GED equivalent
Python, C, C Sharp, C++, Go, Perl, Powershell
Experience working with AWS services (such as EC2, S3, KMS, RDS) and security best practices relevant to those services
Experience with Palo Alto, Cisco, VMWare, NetApp and Microsoft products.
NSX, vCenter, vRealize Suite, Horizon View (VDI) and others
Active-Directory
SANS Certs:
Tool/Software Development (exploits/malware, C2, reverse engineering, bug bounties)
ONTAP, SnapMirror
Automation using Powershell, PowerAutomate, Logic Apps, Graph API.
Extending or integrating on premises AD with Entra ID.
Web Dev/Web App Dev/Web Penetration testing
Capture the Flag (CTF) participation (DEFCON, Over-The-Wire (OTW), Hack the Box, USS Secure CTF's)
Security research resulting in a Common Vulnerabilities and Exposures (CVE)
Experience with AWS, Cloud Audit, Serverless and Microservice Architecture
Modeling and simulation applied to DoD or Information Technology systems.
Penetration Testing (PENTEST)
PHP, ASP, SQL db's, Java, HTML, No SQL
Strong working knowledge of common Penetration Testing (PENTEST) tools:
Experience conducting Red Team operations in an MDE environment.
Offensive Security Certs: Offensive Security Certified Professional (OSCP), Offensive Security Certified Expert (OSCE), Offensive Security Exploitation Expert (OSEE), Offensive Security Wireless Professional (OSWP)
Minimum certification one of the following:
Kali, Metasploit, NMAP, Cobalt Strike

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Weapon System Test Engineer

SimVentions, Inc - Glassdoor✪ 4.6

Fredericksburg, VA 22406

Education AssistanceHealth InsurancePaid Time OffRetirement Benefit

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Senior Engineering Support Specialist - Weapons Launcher Test Engineer

General Dynamics Mission Systems

Manassas, VA 20110

$93,154/yr

~ 28 min OnsiteFlexible Schedule

Ability to lift up to 45 pounds.
Requires a Bachelor's or Technology degree in Engineering or a related specialized area/field, or equivalent (4 years job-related experience).
Occasional travel to submarine home ports for Field Services activities.
Proficiency with Microsoft Office Products (Word, Excel, PowerPoint, Outlook).
Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information.
This role may require intermittent travel, both independently and as part of a team, to support test events in partner and government labs, as well as shipboard installations in domestic and international locations.
Requires an additional 2+ years of job-related experience, or a Master's degree.
Department of Defense Secret security clearance is required at time of hire.
**Must have experience with one of the following skills: the AN/BLQ-10, AN/BYG-1, Submarine Weapon Launchers, or AN/BQQ-10 systems.**
Proficiency in software testing and analysis.
Senior Engineering Support Specialist - Weapons Launcher Test Engineer
Due to the nature of work performed within our facilities, U.S. citizenship is required.
General knowledge of network configurations, operations, and commands.

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System Engineer (SDA) - Enterprise

QinetiQ

Chantilly, VA 20152

~ 34 min Onsite

Experience in systems engineering
Minimum of 10+ years experience with satellite and ground systems
Bachelor's degree in science, technology, engineering or mathematics
Ability to work in fast paced environment with excellent oral and written communication skills.
Technical and analytic understanding of satellite and ground system interaction
TS Clearance with SCI Eligibility; #qinetiqclearedjob

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Network Engineer, Lead

BOOZ, ALLEN & HAMILTON

Chantilly, VA 20152

RemoteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

10+ years of experience with enterprise network architecture, engineering, and operations support for mission-critical systems within classified and DoD environments
Ability to diagnose and resolve complex network incidents across WAN, LAN, and hybrid environments through advanced root-cause analysis and packet inspection
Experience developing engineering documentation, network baselines, and standardized deployment processes in alignment with Risk Management Framework ( RMF ) , NIST 800-53, and organizational compliance requirements
Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information
Bachelor's degree in an Information Systems or Computer Engineering field
Knowledge of core network protocols and technologies such as TCP / IP, SNMP, DHCP, DNS, and virtualized environments, including VMware ESXi
Experience supporting Operations and Maintenance ( O & M ) engineering activities, including system patching, change control, lifecycle management, and capacity optimization
8+ years of experience in network engineering
Knowledge of Cisco enterprise technologies, including Cisco ISE, advanced routing protocols such as EIGRP, OSPF, and BGP, and complex Layer 2 / 3 switching such as VLANs, STP, VTP, and EtherChannel
Experience designing, implementing, and maintaining enterprise network monitoring infrastructures using tools such as SolarWinds, to ensure system availability, performance visibility, and configuration compliance
TS/SCI clearance with a polygraph
Master's degree and 6+ years of experience in network engineering

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Systems Engineer Senior II

Ultra Electronics Ocean Systems

Chantilly, VA 20152

~ 34 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

Willingness to travel (10%).
Experience and knowledge of algorithms used for navigation, periscope detection, discrimination or other parts of traditional Radar signal processing.
9+ years with BS Degree in Systems/EE Engineering or related discipline
Strong attention to detail and work ethic.
Experience working with a team to jointly develop a system during all phases of the development lifecycle.
Laboratory knowledge including setup and use of Linux-based system integration, test, and execution.
Ability to document and specify system and subsystem level requirements.
Provide systems engineering leadership to a small group of systems or mixed discipline engineers.
Typically, a Bachelor Degree (or equivalent) in a related field and 9+ years of experience within a relevant complex engineering environment.May be required to maintain security clearance.
Experience planning, reviewing, and executing integration and test events for combined hardware and software systems
Candidates must be eligible to obtain the relevant security clearance required for the role, due to the nature of the programmes we deliver for our customers.
Knowledge of proper systems engineering discipline and rigor required for disciplined systems development.
Review/provide technical input and cost estimation support.
We operate a drug-free workplace and, where permitted by law, conduct pre-employment background checks and substance abuse screening.
Significant experience with Radar systems or similar signal processing systems.
US citizen and ability to obtain appropriate personnel clearance

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Security Officer (M)

Securitas

Chantilly, VA 20152

$18-$20/hr

~ 34 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

Must be able to meet and continue to meet any applicable state, county, and municipal licensing requirements for Security Officers/Guard
Must have excellent Customer Service skills
Security positions require you pass our drug screen and background check
Additional physical requirements of the security officer/guard may include frequent lifting and/or moving up to 10 pounds and occasional lifting and/or moving up to 25 pounds
Frequent sitting, standing and walking, which may be required for long periods of time, and may involve climbing stairs and walking up inclines and on uneven terrain.

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